{"title":"Filtration for Civil Engineering \u0026 Landscaping – Sediment \u0026 Water Filtration","description":"\u003cmeta charset=\"utf-8\"\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eProtect groundwater and plants with WINKLER Geovlies\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv id=\"u52\" class=\"u52\" data-mce-fragment=\"1\"\u003e\n\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eToday, along with the air we breathe, water is the most valuable commodity on earth. By using seepage filter bags, unwanted particles no longer get into the groundwater. Practical to use, inexpensive to purchase - typical WINKLER.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eConcrete sludge and rock sludge are safely separated with our filter media - whether in chamber filter presses or simply in filter bags - there is an economical solution for every quantity.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eTo separate sand and gravel layers, to protect valuable bedding plants - we have the right geotextile for every task. Individual solutions - practical and economical - are our strength. We look forward to your inquiry!\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e","products":[{"product_id":"filtersack-schlammentwaesserung-xxl-1-25m3","title":"Sludge Dewatering Bag 1.25 m³ | WINKLER","description":"\u003ch1\u003eSludge Dewatering Bag 1.25 m³ – F-BAG XXL (Gravity Filter Bag)\u003c\/h1\u003e \u003ch2\u003eMobile Sludge Dewatering for High Volume Flows\u003c\/h2\u003e \u003cp\u003eThe WINKLER \u003cstrong\u003e\u003ca href=\"\/en\/collections\/filtersaecke-schlammentwaesserung\" title=\"Filter bags for sludge dewatering \u0026 dewatering boxes (industrial)\"\u003esludge dewatering bag\u003c\/a\u003e F-BAG XXL (1.25 m³)\u003c\/strong\u003e is the high-performance solution for reliably separating \u003cstrong\u003esolids and liquids\u003c\/strong\u003e in industrial wastewater. As a \u003cstrong\u003egravity filter bag\u003c\/strong\u003e, it needs no electricity, no pump technology and no maintenance – ideal for businesses that need to dewater large sludge volumes quickly and cost-effectively.\u003c\/p\u003e \u003cp\u003eThe F-BAG XXL is built for demanding B2B use: robust filter material, secure lifting loops and high dewatering performance keep processes running stably and protect downstream systems from clogging.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cp\u003eThe filter bag is particularly well suited to applications where sludge is dewatered directly on site – mobile, straightforward and efficient:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWash bays (cars, commercial vehicles, train\/high-speed rail wash systems)\u003c\/li\u003e \u003cli\u003eConcrete processing and concrete plants (saw\/grinding water, drilling\/flushing water)\u003c\/li\u003e \u003cli\u003eRecycling operations (rubble, metal, plastic, process water)\u003c\/li\u003e \u003cli\u003eIndustrial wastewater and production processes (pre-filtration, sludge separation)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWherever enormous volumes occur, this filter bag is at home in leading \u003ca href=\"\/en\/pages\/branchen\" title=\"Filtration by Industry – Industrial Filtration\"\u003eindustries\u003c\/a\u003e. That includes raw material processing in \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration for Chemicals \u0026amp; Raw Materials – process filtration solutions\"\u003echemicals\u003c\/a\u003e, large-scale projects in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\"\u003ecivil engineering and landscaping\u003c\/a\u003e, and intensive processes in \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\"\u003etransport \u0026amp; logistics\u003c\/a\u003e. It's also the most powerful option in \u003ca href=\"\/en\/collections\/bau\" title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\"\u003econstruction\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/agrarwirtschaft\" title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\"\u003eagriculture\u003c\/a\u003e and industrial water treatment for \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment – rainwater \u0026amp; microplastic filtration\"\u003eenergy \u0026amp; the environment\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eHow It Works: Gravity Filtration in Practice\u003c\/h2\u003e \u003cp\u003eUse is deliberately kept simple, suiting sites that change frequently:\u003c\/p\u003e \u003col\u003e \u003cli\u003eThe contaminated water\/sludge-water mix is fed into the filter bag (e.g. from a container, channel or via pump).\u003c\/li\u003e \u003cli\u003eSolids are retained in the filter material while water drains off in a controlled way.\u003c\/li\u003e \u003cli\u003eOnce dewatered, the bag is removed and the sludge disposed of properly.\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003eThanks to its large usable volume of \u003cstrong\u003e1.25 m³\u003c\/strong\u003e and generous filter area, the F-BAG XXL is particularly well suited to \u003cstrong\u003elarge batches\u003c\/strong\u003e and continuously generated sludge.\u003c\/p\u003e \u003ch2\u003eYour Benefits for B2B Use\u003c\/h2\u003e \u003cp\u003eThe F-BAG XXL combines high capacity with industrial-grade robustness. That makes it a reliable solution when dewatering needs to be plannable and dependable – even under changing conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh capacity:\u003c\/strong\u003e 1.25 m³ usable volume for large volume flows.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial quality:\u003c\/strong\u003e Robust build for demanding sludge.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eChemically resistant:\u003c\/strong\u003e Suited to a wide range of industrial process waters (resistant to acids and alkalis).\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEfficient dewatering:\u003c\/strong\u003e High water permeability for short process times.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSafe handling:\u003c\/strong\u003e Reinforced straps with a 280 mm overhang for easy recovery and transport.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhich Filter Bag Is Right for You? F-BAG Series Size Comparison\u003c\/h2\u003e \u003cp\u003eThe right size depends mainly on your sludge volume, batch size and site conditions. This comparison helps you quickly identify the right filter bag variant:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVariant\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-125m3\" title=\"Sludge Dewatering Bag 0.125 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG M\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.125 m³\u003c\/td\u003e \u003ctd\u003eSmall batches, highly mobile\u003c\/td\u003e \u003ctd\u003eShort-term use, maintenance work or small sludge volumes in limited space.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-5m3\" title=\"Sludge Dewatering Bag 0.5 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG L\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.5 m³\u003c\/td\u003e \u003ctd\u003eMedium volume flows\u003c\/td\u003e \u003ctd\u003eRegular dewatering in trades and industry with a good balance of size and handling.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xl-0-8m3\" title=\"Sludge Dewatering Bag 0.8 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG XL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.8 m³\u003c\/td\u003e \u003ctd\u003eLarger batches\u003c\/td\u003e \u003ctd\u003eFor higher sludge volumes and longer dewatering intervals.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eF-BAG XXL\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e1.25 m³\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eIndustrial use\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMaximum capacity for large volume flows and heavy industrial sludge.\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-ge-vernova\" title=\"Sludge Dewatering Bag, Custom Size | WINKLER\"\u003e\u003cstrong\u003eF-BAG Custom Size (GE Vernova)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCustom size\u003c\/td\u003e \u003ctd\u003eSpecial installation situations\u003c\/td\u003e \u003ctd\u003ePrecision-fit filter bags for shaft systems or special containers with limited height.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eAlongside standard sizes, \u003cstrong\u003ecustom-made filter bags\u003c\/strong\u003e are also available. Bespoke sizes are especially well suited to existing plant or special installation situations where standard dimensions don't fit.\u003c\/p\u003e \u003ch2\u003eWINKLER F-BAG XXL Filter Bag: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.25 m³\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight 1.00 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBase area\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.00 × 1.25 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e280 mm overhang\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eLoad ratings\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e400 kg \/ 600 kg \/ 900 kg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003enominal 100 µm, resistant to acids and alkalis\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWater permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e135 l s-1 m-2 at 100 mm water column\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAdvice From Our Filtration Specialists\u003c\/h3\u003e \u003cp\u003ePlanning industrial-scale dewatering with the F-BAG XXL? Our \u003cstrong\u003e\u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Filtration product advice – help choosing the right filter\"\u003efiltration specialists\u003c\/a\u003e\u003c\/strong\u003e can help with the technical sizing, ensuring reliable, cost-effective solids separation even at maximum load ratings.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"400kg","offer_id":39364885643472,"sku":"shop_XXL_400","price":36.5,"currency_code":"EUR","in_stock":true},{"title":"600kg","offer_id":53997575307532,"sku":"shop_XXL_600","price":38.0,"currency_code":"EUR","in_stock":true},{"title":"900kg","offer_id":53997575340300,"sku":"shop_XXL_900","price":53.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/filtersack-schlammentwaesserung-xxl-grau-schlaufen.jpg?v=1771846438"},{"product_id":"sickerschacht-filtersack-regenwasser","title":"Infiltration Shaft Filter Bag for Rainwater \u0026 Soakaways | WINKLER","description":"\u003ch1\u003eInfiltration Shaft Filter Bag for Rainwater Filtration \u0026amp; Soakaways (DN1000–DN2500)\u003c\/h1\u003e \u003ch2\u003eEfficient Surface Drainage and Sustainable Groundwater Protection\u003c\/h2\u003e \u003cp\u003eSealed surfaces such as car parks, industrial sites and logistics centres collect a wide range of pollutants: \u003cstrong\u003etyre wear, microplastics, fine particulates, leaves and litter\u003c\/strong\u003e. Without pre-treatment, these particles pass straight into the ground or downstream soakaway systems.\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eWINKLER infiltration shaft filter bag\u003c\/strong\u003e is a highly effective, cost-efficient solution for \u003cstrong\u003erainwater filtration\u003c\/strong\u003e. It reliably removes solids from stormwater before it soaks into the ground – with no extensive modifications to your existing shaft system.\u003c\/p\u003e \u003cp\u003eYou'll find further solutions for municipal applications in our \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\"\u003eFiltration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\u003c\/a\u003e range.\u003c\/p\u003e \u003ch2\u003eTwo-Layer Filter System for Maximum Cleaning Performance\u003c\/h2\u003e \u003cp\u003eThe filter system consists of \u003cstrong\u003etwo matched layers of polypropylene needle felt\u003c\/strong\u003e, combining coarse and fine filtration in a single product:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eInner filter (coarse structure):\u003c\/strong\u003e Retains leaves, litter and coarse sediment\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOuter filter (fine structure):\u003c\/strong\u003e Removes the finest particles down to \u003cstrong\u003e80 µm\u003c\/strong\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis combination \u003cstrong\u003eextends service life\u003c\/strong\u003e and secures the shaft's long-term \u003cstrong\u003einfiltration performance\u003c\/strong\u003e.\u003c\/p\u003e \u003ch2\u003eDWA-Compliant Rainwater Treatment\u003c\/h2\u003e \u003cp\u003eThe filter bag achieves a \u003cstrong\u003epass-through value of 0.5 in accordance with DWA-M 153 and DWA-A 138\u003c\/strong\u003e (German technical standards). This helps municipalities, planners and industrial companies meet applicable water-management requirements.\u003c\/p\u003e \u003cp\u003eIt's particularly well suited to projects in:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"\/en\/collections\/bau\" title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\"\u003eFiltration for Construction\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment – rainwater \u0026amp; microplastic filtration\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"\/en\/collections\/agrarwirtschaft\" title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\"\u003eAgriculture\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"\/en\/collections\/haus-garten-teich-filter\" title=\"Home, Garden \u0026amp; Pond – Efficient Filtration for Clean Water\"\u003eHome, Garden \u0026amp; Pond\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eEasy Installation and Maintenance (DN1000 – DN2500)\u003c\/h2\u003e \u003cp\u003eThanks to sturdy loops around the rim, the filter bag can be fitted quickly and securely in the infiltration shaft.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eFast changes:\u003c\/strong\u003e Lift out via the loops and a pull rope – no special tools required\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePrecise fit:\u003c\/strong\u003e Available for DN1000, DN1500, DN2000, DN2500\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCustom sizes:\u003c\/strong\u003e Made to order on request\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eMatching Accessories for Secure Installation\u003c\/h3\u003e \u003cp\u003eFor a permanently stable, secure fit, we recommend the specially matched \u003ca href=\"\/en\/products\/befestigungsset-sickerschacht-filtersack\" title=\"Infiltration Shaft Filter Bag Mounting Kit – Secure Fixing\"\u003einfiltration shaft filter bag mounting kit\u003c\/a\u003e. The system enables fast initial installation and especially efficient filter changes via carabiner hooks and heavy-duty anchors. The galvanised components stay in the shaft permanently, making maintenance significantly easier.\u003c\/p\u003e \u003ch2\u003eYour Benefits at a Glance\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh filtration performance:\u003c\/strong\u003e Retains fine particles down to 80 µm\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMicroplastic reduction:\u003c\/strong\u003e Effective protection for soil and groundwater\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eExtremely robust:\u003c\/strong\u003e Tear-resistant, thermofixed polypropylene (PP)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCost-effective:\u003c\/strong\u003e Disposable system with no structural retrofitting\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eReady to ship:\u003c\/strong\u003e Short delivery time for ongoing projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eTechnical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt, two-layer\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDN1000, DN1500, DN2000, DN2500, or made to order\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFabric weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e130 + 200 g\/m² (330 g\/m² total)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAir permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1200 l*dm⁻²*min⁻¹\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePass-through value\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.5 (DWA-M 153 \/ DWA-A 138)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eExpert Advice for Your Rainwater Soakaway\u003c\/h3\u003e \u003cp\u003eNeed a custom design for your construction or infrastructure project? Use our \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Filtration product advice\"\u003efiltration product advice\u003c\/a\u003e service. We'll help you implement a compliant, cost-effective drainage solution.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"DN1000","offer_id":39364903600336,"sku":"shop_Sickerschacht_1000","price":172.3,"currency_code":"EUR","in_stock":true},{"title":"DN1500","offer_id":39364903633104,"sku":"shop_Sickerschacht_1500","price":237.5,"currency_code":"EUR","in_stock":true},{"title":"DN2000","offer_id":39364903665872,"sku":"shop_Sickerschacht_2000","price":297.2,"currency_code":"EUR","in_stock":true},{"title":"DN2500","offer_id":54221217759500,"sku":"shop_Sickerschacht_2500","price":348.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/products\/sickerschacht-filtersack-regenwasser-grau-schlaufen.jpg?v=1774431438"},{"product_id":"feinfiltersack-zisternenzulauf","title":"Fine Filter Bag for Cistern Inlet | WINKLER","description":"\u003ch1\u003eFine Filter Bag for Cistern Inlet – Clean Rainwater, Even in Heavy Downpours\u003c\/h1\u003e \u003ch2\u003eMaximum Filtration Without Clogging: The Sustainable Solution\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eFiltering rainwater\u003c\/strong\u003e is becoming ever more important as heavy rainfall events increase. The \u003cstrong\u003eWINKLER fine filter bag for cistern inlets\u003c\/strong\u003e was developed specifically to reliably retain \u003cstrong\u003ethe finest particles\u003c\/strong\u003e, sediment and debris from inflow water – without restricting \u003cstrong\u003eflow rate\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003eThe secret lies in the material: while conventional felt filter bags often \u003cstrong\u003eclog quickly\u003c\/strong\u003e, our special \u003cstrong\u003epolyester composite fabric\u003c\/strong\u003e guarantees excellent filtration results with consistently high \u003cstrong\u003ewater permeability\u003c\/strong\u003e. That keeps your \u003cstrong\u003ecistern\u003c\/strong\u003e working reliably even during heavy rain.\u003c\/p\u003e \u003ch2\u003eYour Benefits for Cisterns and Home Water Systems\u003c\/h2\u003e \u003cp\u003eA professional \u003cstrong\u003ecistern filter\u003c\/strong\u003e protects your system long-term and improves the quality of your \u003cstrong\u003eutility water\u003c\/strong\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eProtection against sludge build-up:\u003c\/strong\u003e Retains particles down to \u003cstrong\u003e70 µm\u003c\/strong\u003e and prevents sediment build-up in the tank.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLonger-lasting equipment:\u003c\/strong\u003e Extends the service life of \u003cstrong\u003epumps, pipework and irrigation nozzles\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBetter water quality:\u003c\/strong\u003e Improves the purity of rainwater for garden irrigation, household and commercial use.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHigh reliability:\u003c\/strong\u003e Six 25 mm wide straps running around the bag keep it securely in place even under high water loads.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eYou'll find further rainwater filtration solutions in our \u003ca title=\"Home, Garden \u0026amp; Pond – Efficient Filtration for Clean Water\" href=\"\/en\/collections\/haus-garten-teich-filter\"\u003e\u003cstrong\u003eHome, Garden \u0026amp; Pond – Efficient Filtration for Clean Water\u003c\/strong\u003e\u003c\/a\u003e category.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e \u003ca title=\"Filtration for Transport \u0026amp; Logistics\" href=\"\/en\/collections\/verkehr-logistik\"\u003e\u003cstrong\u003eFiltration for Transport \u0026amp; Logistics\u003c\/strong\u003e\u003c\/a\u003e – road drainage \u0026amp; rainwater\u003c\/li\u003e \u003cli\u003e \u003ca title=\"Filtration for Energy \u0026amp; the Environment\" href=\"\/en\/collections\/energie-umwelt\"\u003e\u003cstrong\u003eFiltration for Energy \u0026amp; the Environment\u003c\/strong\u003e\u003c\/a\u003e – rainwater \u0026amp; microplastic filtration\u003c\/li\u003e \u003cli\u003e \u003ca title=\"Filtration for Construction\" href=\"\/en\/collections\/bau\"\u003e\u003cstrong\u003eFiltration for Construction\u003c\/strong\u003e\u003c\/a\u003e – filter bags for building sites \u0026amp; sludge dewatering\u003c\/li\u003e \u003cli\u003e \u003ca title=\"Filtration for Civil Engineering \u0026amp; Landscaping\" href=\"\/en\/collections\/tiefbau-landschaftsbau\"\u003e\u003cstrong\u003eFiltration for Civil Engineering \u0026amp; Landscaping\u003c\/strong\u003e\u003c\/a\u003e – sediment \u0026amp; water filtration\u003c\/li\u003e \u003cli\u003e \u003ca title=\"Filtration for Agriculture\" href=\"\/en\/collections\/agrarwirtschaft\"\u003e\u003cstrong\u003eFiltration for Agriculture\u003c\/strong\u003e\u003c\/a\u003e – water \u0026amp; sludge filtration\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWINKLER Fine Filter Bag for Cistern Inlet: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePolyester composite fabric\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eVariable – DN325 to DN800, or made to order\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e70 µm\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e6 straps running around the bag, 25 mm wide\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTop edge reinforcement\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e80 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e1–2 working days\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eEasy Handling and Cleaning\u003c\/h3\u003e \u003cp\u003eInstallation is straightforward: simply clip the \u003cstrong\u003erainwater filter\u003c\/strong\u003e onto the on-site carabiner hooks. To clean it, lift the filter bag out in a few simple steps, empty it and rinse it from the outside with a garden hose. That keeps your \u003cstrong\u003ecistern pre-filter\u003c\/strong\u003e working efficiently for years.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"DN700 x 300mm high, straps 200mm long","offer_id":49338772291852,"sku":"shop_ZIS_700_300","price":242.0,"currency_code":"EUR","in_stock":true},{"title":"DN600 x 600mm high, straps 700mm long","offer_id":49338772324620,"sku":"shop_ZIS_600_600","price":280.0,"currency_code":"EUR","in_stock":true},{"title":"DN800 x 300mm high, straps protruding 80mm","offer_id":54185007808780,"sku":"shop_ZIS_800_300_K","price":258.0,"currency_code":"EUR","in_stock":true},{"title":"DN800 x 300mm high, straps 800mm long","offer_id":54185015640332,"sku":"shop_ZIS_800_300_L","price":379.0,"currency_code":"EUR","in_stock":true},{"title":"Conical, 365\/325mm x 150mm high, straps 200mm long","offer_id":54337221198092,"sku":"shop_ZIS_365\/325_150","price":228.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/feinfiltersack-zisternenzulauf-pp-filter.jpg?v=1771840333"},{"product_id":"filtersack-schlammentwaesserung-ge-vernova","title":"Sludge Dewatering Bag, Custom Size | WINKLER","description":"\u003ch1\u003eSludge Dewatering Bag, Custom Size – F-BAG GE Vernova\u003c\/h1\u003e \u003ch2\u003eTailored Sludge Dewatering for Special Installation Situations\u003c\/h2\u003e \u003cp\u003eThe WINKLER \u003cstrong\u003e\u003ca href=\"\/en\/collections\/filtersaecke-schlammentwaesserung\" title=\"Filter bags for sludge dewatering \u0026 dewatering boxes (industrial)\"\u003esludge dewatering bag\u003c\/a\u003e in custom size GE Vernova\u003c\/strong\u003e was developed specifically for applications where standard sizes can't be used. As a \u003cstrong\u003egravity filter bag\u003c\/strong\u003e, it reliably separates solids and liquids even in plant with limited height or unusual dimensions.\u003c\/p\u003e \u003cp\u003eThis custom size is built on proven F-BAG filter bag technology, combining robust industrial quality with a precision-fit build. That makes it particularly well suited to existing plant where filter bags need to fit exactly into existing shafts or containers.\u003c\/p\u003e \u003cp\u003eThe polypropylene needle-felt filter material is mechanically robust and resistant to acids and alkalis, making it suitable for a wide range of industrial process waters.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cp\u003eThis custom size is particularly well suited to applications with fixed installation dimensions or special plant designs:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIndustrial plant with predefined shaft dimensions\u003c\/li\u003e \u003cli\u003ePower plants and energy facilities\u003c\/li\u003e \u003cli\u003eWash systems with special filter bag mountings\u003c\/li\u003e \u003cli\u003eRecycling and process water plant\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThanks to its adapted build, the filter bag can be used where standard sizes don't fit or only work to a limited extent.\u003c\/p\u003e \u003cp\u003eTailored solutions like this are in demand across all highly specialised \u003ca title=\"Filtration by Industry – Industrial Filtration\" href=\"\/en\/pages\/branchen\"\u003eindustries\u003c\/a\u003e. We manufacture custom sizes for power plant facilities in \u003ca title=\"Filtration for Energy \u0026amp; the Environment – rainwater \u0026amp; microplastic filtration\" href=\"\/en\/collections\/energie-umwelt\"\u003eenergy \u0026amp; the environment\u003c\/a\u003e, for individual filtration requirements in the \u003ca title=\"Filtration for Chemicals \u0026amp; Raw Materials – process filtration solutions\" href=\"\/en\/collections\/chemie-rohstoffe\"\u003echemical industry\u003c\/a\u003e, or for projects in \u003ca title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\" href=\"\/en\/collections\/tiefbau-landschaftsbau\"\u003ecivil engineering\u003c\/a\u003e. We also supply speciality dimensions for the \u003ca title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\" href=\"\/en\/collections\/bau\"\u003econstruction sector\u003c\/a\u003e, \u003ca title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\" href=\"\/en\/collections\/agrarwirtschaft\"\u003eagriculture\u003c\/a\u003e and complex requirements in \u003ca title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\" href=\"\/en\/collections\/verkehr-logistik\"\u003etransport \u0026amp; logistics\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eHow Gravity Filtration Works\u003c\/h2\u003e \u003cp\u003eLike every bag in the F-BAG range, this custom size relies purely on gravity: water flows in, solids stay caught in the filter material, and the cleaned water drains away in a controlled fashion, ready for reuse or discharge.\u003c\/p\u003e \u003cp\u003eThe low-profile build allows use in plant with limited height, without compromising dewatering performance. That makes sludge dewatering easy to implement even in existing installations.\u003c\/p\u003e \u003cp\u003eThe filter bag is particularly well suited to businesses that need a reliable, precision-fit solution for their dewatering processes.\u003c\/p\u003e \u003ch2\u003eYour Benefits With Custom Sizes\u003c\/h2\u003e \u003cp\u003eThis custom size combines the proven filter bag technology of the F-BAG series with a precisely matched build. That means existing plant can keep running without extensive modifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003ePrecision-fit build:\u003c\/strong\u003e Developed for special installation dimensions.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProven filtration technology:\u003c\/strong\u003e Based on the F-BAG series.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobust industrial quality:\u003c\/strong\u003e Suited to demanding applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eChemically resistant:\u003c\/strong\u003e Handles acidic and alkaline process water without issue.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSafe handling:\u003c\/strong\u003e Reinforced lifting loops make transport and removal easier.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhich Filter Bag Is Right for You? F-BAG Series Size Comparison\u003c\/h2\u003e \u003cp\u003eAlongside custom sizes, a range of standard sizes is also available. The choice depends on sludge volume, installation situation and required capacity:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVariant\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca title=\"Sludge Dewatering Bag 0.125 m³\" href=\"\/en\/products\/filtersack-schlammentwaesserung-0-125m3\"\u003e\u003cstrong\u003eF-BAG M\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.125 m³\u003c\/td\u003e \u003ctd\u003eSmall batches\u003c\/td\u003e \u003ctd\u003eMobile use, maintenance work and smaller sludge volumes.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca title=\"Sludge Dewatering Bag 0.5 m³\" href=\"\/en\/products\/filtersack-schlammentwaesserung-0-5m3\"\u003e\u003cstrong\u003eF-BAG L\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.5 m³\u003c\/td\u003e \u003ctd\u003eMedium volume flows\u003c\/td\u003e \u003ctd\u003eRegular dewatering with a good balance of size and handling.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca title=\"Sludge Dewatering Bag 0.8 m³\" href=\"\/en\/products\/filtersack-schlammentwaesserung-xl-0-8m3\"\u003e\u003cstrong\u003eF-BAG XL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.8 m³\u003c\/td\u003e \u003ctd\u003eLarger batches\u003c\/td\u003e \u003ctd\u003eFor higher sludge volumes and longer dewatering intervals.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca title=\"Sludge Dewatering Bag 1.25 m³\" href=\"\/en\/products\/filtersack-schlammentwaesserung-xxl-1-25m3\"\u003e\u003cstrong\u003eF-BAG XXL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e1.25 m³\u003c\/td\u003e \u003ctd\u003eIndustrial use\u003c\/td\u003e \u003ctd\u003eMaximum capacity for large volume flows and heavy industrial sludge.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eF-BAG Custom Size (GE Vernova)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eCustom size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eSpecial installation situations\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePrecision-fit filter bags for shaft systems or special containers with limited height.\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eBeyond this custom size, we also manufacture \u003cstrong\u003efilter bags to individual dimensions\u003c\/strong\u003e. That means existing plant can be put to optimal use without extensive modification.\u003c\/p\u003e \u003ch2\u003eWINKLER Custom Size Filter Bag GE Vernova: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight 0.40 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBase area\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.99 × 0.60 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e280 mm overhang\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaximum load\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eup to 400 kg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003enominal 100 µm, resistant to acids and alkalis\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWater permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e135 l s-1 m-2 at 100 mm water column\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAdvice on Custom Sizes\u003c\/h3\u003e \u003cp\u003eStandard dimensions don't fit your existing plant? As specialists in custom solutions, we'll guide you through \u003ca title=\"Filtration product advice – help choosing the right filter\" href=\"\/en\/pages\/filtertechnik-beratung\"\u003epersonal advice\u003c\/a\u003e. We develop the exact filter bag size that makes your sludge dewatering cost-effective, even under difficult structural conditions.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"400kg","offer_id":53997553582348,"sku":"S23571\/01","price":34.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/products\/filtersack-schlammentwaesserung-ge-vernova-gurte.jpg?v=1774431452"},{"product_id":"filtersack-schlammentwaesserung-0-125m3","title":"Sludge Dewatering Bag 0.125 m³ | Winkler","description":"\u003ch1\u003eSludge Dewatering Bag 0.125 m³ – F-BAG M (Gravity Filter Bag)\u003c\/h1\u003e \u003ch2\u003eA Compact Solution for Small Sludge Volumes\u003c\/h2\u003e \u003cp\u003eThe WINKLER \u003cstrong\u003e\u003ca href=\"\/en\/collections\/filtersaecke-schlammentwaesserung\" title=\"Filter bags for sludge dewatering \u0026 dewatering boxes (industrial)\"\u003esludge dewatering bag\u003c\/a\u003e F-BAG M (0.125 m³)\u003c\/strong\u003e is the compact solution for reliably separating solids and liquids in industrial wastewater. As a \u003cstrong\u003egravity filter bag\u003c\/strong\u003e, it enables simple, mobile sludge dewatering with no technical plant required and can be used flexibly at different sites.\u003c\/p\u003e \u003cp\u003eWith a usable volume of 0.125 m³, the filter bag is particularly well suited to smaller batches, maintenance work or applications with limited space. The F-BAG M is quick to set up and easy to transport, making it especially suitable for mobile use.\u003c\/p\u003e \u003cp\u003eThe polypropylene needle-felt filter material is mechanically robust and resistant to acids and alkalis, making it suitable for a wide range of industrial process waters.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cp\u003eThe filter bag is particularly well suited to smaller dewatering tasks and mobile deployments:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance and cleaning work\u003c\/li\u003e \u003cli\u003eSmall washing systems and side streams\u003c\/li\u003e \u003cli\u003eConcrete processing with low sludge volumes\u003c\/li\u003e \u003cli\u003eMobile use on construction sites\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis compact filter bag proves its worth across a wide range of \u003ca href=\"\/en\/pages\/branchen\" title=\"Filtration by Industry – Industrial Filtration\"\u003eindustries\u003c\/a\u003e. It's particularly well suited to short-term use in \u003ca href=\"\/en\/collections\/bau\" title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\"\u003econstruction\u003c\/a\u003e or smaller side streams in \u003ca href=\"\/en\/collections\/agrarwirtschaft\" title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\"\u003eagriculture\u003c\/a\u003e. It's also a flexible choice for mobile service work in \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\"\u003etransport \u0026amp; logistics\u003c\/a\u003e as well as in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\"\u003ecivil engineering and landscaping\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eHow Gravity Filtration Works\u003c\/h2\u003e \u003cp\u003eThe principle behind it is simple: the sludge-water mixture flows into the filter bag under gravity alone. Solids stay trapped in the filter material while the water drains away in a controlled manner and can be reused.\u003c\/p\u003e \u003cp\u003eThanks to its compact design, the filter bag can be set up quickly and used flexibly. After dewatering, the sludge can simply be removed and disposed of properly.\u003c\/p\u003e \u003cp\u003eThe F-BAG M is particularly well suited to businesses that need a mobile solution for small sludge volumes or only dewater occasionally.\u003c\/p\u003e \u003ch2\u003eYour Benefits in Practical Use\u003c\/h2\u003e \u003cp\u003eThe F-BAG M is designed for easy handling and flexible use. Its compact size makes the filter bag especially easy to transport and quick to deploy.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eCompact design:\u003c\/strong\u003e Ideal for limited space.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHigh mobility:\u003c\/strong\u003e Easy to transport and ready to use quickly.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobust material:\u003c\/strong\u003e Suited to industrial applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eChemically resistant:\u003c\/strong\u003e Copes well with acidic and alkaline process water.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEfficient dewatering:\u003c\/strong\u003e The fabric lets water pass through freely.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhich Filter Bag Is Right for You? F-BAG Series Size Comparison\u003c\/h2\u003e \u003cp\u003eThe right size depends mainly on your sludge volume, batch size and site conditions. This comparison helps you quickly identify the right filter bag variant:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVariant\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eF-BAG M\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e0.125 m³\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eSmall batches\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMobile use, maintenance work and smaller sludge volumes.\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-5m3\" title=\"Sludge Dewatering Bag 0.5 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG L\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.5 m³\u003c\/td\u003e \u003ctd\u003eMedium volume flows\u003c\/td\u003e \u003ctd\u003eRegular dewatering with a good balance of size and handling.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xl-0-8m3\" title=\"Sludge Dewatering Bag 0.8 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG XL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.8 m³\u003c\/td\u003e \u003ctd\u003eLarger batches\u003c\/td\u003e \u003ctd\u003eFor higher sludge volumes and longer dewatering intervals.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xxl-1-25m3\" title=\"Sludge Dewatering Bag 1.25 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG XXL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e1.25 m³\u003c\/td\u003e \u003ctd\u003eIndustrial use\u003c\/td\u003e \u003ctd\u003eMaximum capacity for large volume flows and heavy industrial sludge.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-ge-vernova\" title=\"Sludge Dewatering Bag, Custom Size | WINKLER\"\u003e\u003cstrong\u003eF-BAG Custom Size (GE Vernova)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCustom size\u003c\/td\u003e \u003ctd\u003eSpecial installation situations\u003c\/td\u003e \u003ctd\u003ePrecision-fit filter bags for shaft systems or special containers with limited height.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eAlongside standard sizes, \u003cstrong\u003ecustom-made filter bags\u003c\/strong\u003e are also available. Bespoke sizes are especially well suited to existing plant or special installation situations where standard dimensions don't fit.\u003c\/p\u003e \u003ch2\u003eWINKLER F-BAG M Filter Bag: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.125 m³\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight 0.50 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBase area\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.50 × 0.50 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e280 mm overhang\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaximum load\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eup to 400 kg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003enominal 100 µm, resistant to acids and alkalis\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWater permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e135 l s-1 m-2 at 100 mm water column\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAdvice From Our Filtration Specialists\u003c\/h3\u003e \u003cp\u003eWondering whether the compact volume of the F-BAG M is enough for your project? We offer targeted \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Filtration product advice – help choosing the right filter\"\u003e\u003cstrong\u003efiltration product advice\u003c\/strong\u003e\u003c\/a\u003e to help you match the capacity exactly to your sludge volume, keeping your dewatering process cost-effective.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"400kg","offer_id":54157316948236,"sku":"shop_M_400","price":28.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/products\/filtersack-schlammentwaesserung-0125-offen-rand.jpg?v=1774431455"},{"product_id":"filtersack-schlammentwaesserung-xl-0-8m3","title":"Sludge Dewatering Bag 0.8 m³ | Winkler","description":"\u003ch1\u003eSludge Dewatering Bag 0.8 m³ – F-BAG XL (Gravity Filter Bag)\u003c\/h1\u003e \u003ch2\u003eFlexible Sludge Dewatering for Larger Batches\u003c\/h2\u003e \u003cp\u003eThe WINKLER \u003cstrong\u003e\u003ca href=\"\/en\/collections\/filtersaecke-schlammentwaesserung\" title=\"Filter bags for sludge dewatering \u0026 dewatering boxes (industrial)\"\u003esludge dewatering bag\u003c\/a\u003e F-BAG XL (0.8 m³)\u003c\/strong\u003e is a cost-effective solution for reliably separating solids and liquids in industrial wastewater. As a \u003cstrong\u003egravity filter bag\u003c\/strong\u003e, it enables mobile sludge dewatering with no technical plant required and can be deployed straight on site.\u003c\/p\u003e \u003cp\u003eThe F-BAG XL is particularly well suited to applications with regularly occurring sludge volumes, where smaller filter bags would need changing too often. Its larger 0.8 m³ volume creates a generous filter area that supports even dewatering and stable process flow.\u003c\/p\u003e \u003cp\u003eThe robust polypropylene needle-felt filter material is resistant to acids and alkalis, making it suitable for a wide range of industrial process waters.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cp\u003eThe filter bag is particularly well suited to applications where sludge is dewatered right where it's generated:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVehicle and machinery wash bays\u003c\/li\u003e \u003cli\u003eConcrete processing and concrete plants\u003c\/li\u003e \u003cli\u003eRecycling operations and construction sites\u003c\/li\u003e \u003cli\u003eIndustrial process wastewater\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThe filter bag ensures solids are reliably separated, protecting downstream plant and separators.\u003c\/p\u003e \u003cp\u003eDesigned for larger sludge volumes, this filter bag serves specialised \u003ca href=\"\/en\/pages\/branchen\" title=\"Filtration by Industry – Industrial Filtration\"\u003eapplication areas\u003c\/a\u003e. It's frequently used in \u003ca href=\"\/en\/collections\/agrarwirtschaft\" title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\"\u003eagriculture\u003c\/a\u003e, but is equally at home on heavy-duty \u003ca href=\"\/en\/collections\/bau\" title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\"\u003econstruction sites\u003c\/a\u003e and in large-scale plant within \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment – rainwater \u0026amp; microplastic filtration\"\u003eenergy \u0026amp; the environment\u003c\/a\u003e. Businesses in \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration for Chemicals \u0026amp; Raw Materials – process filtration solutions\"\u003echemicals \u0026amp; raw materials\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\"\u003etransport \u0026amp; logistics\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\"\u003ecivil engineering \u0026amp; landscaping\u003c\/a\u003e also rely on this capacity.\u003c\/p\u003e \u003ch2\u003eHow Gravity Filtration Works\u003c\/h2\u003e \u003cp\u003eThe dewatering principle stays refreshingly simple: contaminated water flows into the filter bag, gravity pulls the water through the fabric, and solids are left behind in the filter material. The clean water that drains out is then discharged or reused in a controlled way.\u003c\/p\u003e \u003cp\u003eThe large filter area keeps water flow stable, so the filter bag can be used over a longer period before it needs emptying.\u003c\/p\u003e \u003cp\u003eThe F-BAG XL is particularly well suited to applications where medium-to-large sludge volumes occur regularly and a reliable mobile solution is needed.\u003c\/p\u003e \u003ch2\u003eYour Benefits in Practical Use\u003c\/h2\u003e \u003cp\u003eThe F-BAG XL combines high capacity with good handling and suits many typical applications in industry and trades. Its sturdy build means the filter bag can be used safely even with heavy sludge.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eLarge usable volume:\u003c\/strong\u003e 0.8 m³ for larger batches.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobust build:\u003c\/strong\u003e Suited to industrial applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eChemically resistant:\u003c\/strong\u003e Resistant to acids and alkalis.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEfficient dewatering:\u003c\/strong\u003e The open fabric structure keeps water flowing freely.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSafe handling:\u003c\/strong\u003e Reinforced lifting loops make transport easier.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhich Filter Bag Is Right for You? F-BAG Series Size Comparison\u003c\/h2\u003e \u003cp\u003eThe right size depends mainly on your sludge volume, batch size and site conditions. This comparison helps you quickly identify the right filter bag variant:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVariant\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-125m3\" title=\"Sludge Dewatering Bag 0.125 m³\"\u003e\u003cstrong\u003eF-BAG M\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.125 m³\u003c\/td\u003e \u003ctd\u003eSmall batches\u003c\/td\u003e \u003ctd\u003eShort-term use or smaller sludge volumes in limited space.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-5m3\" title=\"Sludge Dewatering Bag 0.5 m³\"\u003e\u003cstrong\u003eF-BAG L\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.5 m³\u003c\/td\u003e \u003ctd\u003eMedium volume flows\u003c\/td\u003e \u003ctd\u003eRegular dewatering with a good balance of size and handling.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eF-BAG XL\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e0.8 m³\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLarger batches\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eFor higher sludge volumes and longer dewatering intervals.\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xxl-1-25m3\" title=\"Sludge Dewatering Bag 1.25 m³\"\u003e\u003cstrong\u003eF-BAG XXL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e1.25 m³\u003c\/td\u003e \u003ctd\u003eIndustrial use\u003c\/td\u003e \u003ctd\u003eMaximum capacity for large volume flows and heavy industrial sludge.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-ge-vernova\" title=\"Sludge Dewatering Bag, Custom Size\"\u003e\u003cstrong\u003eF-BAG Custom Size (GE Vernova)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCustom size\u003c\/td\u003e \u003ctd\u003eSpecial installation situations\u003c\/td\u003e \u003ctd\u003ePrecision-fit filter bags for shaft systems or special containers with limited height.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eAlongside standard sizes, \u003cstrong\u003ecustom-made filter bags\u003c\/strong\u003e are also available. Bespoke sizes are especially well suited to existing plant or special installation situations where standard dimensions don't fit.\u003c\/p\u003e \u003ch2\u003eWINKLER F-BAG XL Filter Bag: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.8 m³\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight 0.80 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBase area\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.00 × 1.00 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e280 mm overhang\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eLoad ratings\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e400 kg \/ 600 kg \/ 900 kg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003enominal 100 µm, resistant to acids and alkalis\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWater permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e135 l s-1 m-2 at 100 mm water column\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAdvice From Our Filtration Specialists\u003c\/h3\u003e \u003cp\u003eIs the F-BAG XL the right choice for your regular dewatering cycles? We'll support you with \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Filtration product advice – help choosing the right filter\"\u003e\u003cstrong\u003etailored advice\u003c\/strong\u003e\u003c\/a\u003e to help you scale your sludge dewatering efficiently, optimise service intervals and reduce operating costs.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"400kg","offer_id":54167275208972,"sku":"shop_XL_600","price":41.5,"currency_code":"EUR","in_stock":true},{"title":"900kg","offer_id":54316422824204,"sku":"shop_XL_900","price":53.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/filtersack-schlammentwaesserung-xl-grau-schlaufen.jpg?v=1771846310"},{"product_id":"filtersack-schlammentwaesserung-0-5m3","title":"Sludge Dewatering Bag 0.5 m³ | WINKLER","description":"\u003ch1\u003eSludge Dewatering Bag 0.5 m³ – F-BAG L (Gravity Filter Bag)\u003c\/h1\u003e \u003ch2\u003eReliable Sludge Dewatering for Medium Volume Flows\u003c\/h2\u003e \u003cp\u003eThe WINKLER \u003cstrong\u003e\u003ca href=\"\/en\/collections\/filtersaecke-schlammentwaesserung\" title=\"Filter bags for sludge dewatering \u0026 dewatering boxes (industrial)\"\u003esludge dewatering bag\u003c\/a\u003e F-BAG L (0.5 m³)\u003c\/strong\u003e is a proven solution for reliably separating solids and liquids in industrial wastewater. As a \u003cstrong\u003egravity filter bag\u003c\/strong\u003e, it enables simple, cost-effective sludge dewatering with no technical plant required and can be used flexibly at different sites.\u003c\/p\u003e \u003cp\u003eWith a usable volume of 0.5 m³, the filter bag is particularly well suited to applications with regularly occurring sludge volumes, where smaller filter bags would fill up too quickly but larger versions aren't necessary. This gives the F-BAG L an excellent balance between capacity and easy handling.\u003c\/p\u003e \u003cp\u003eMade from polypropylene needle felt, the filter material combines mechanical strength with resistance to acids and alkalis, so it copes well with a wide range of industrial process waters.\u003c\/p\u003e \u003ch2\u003eTypical Applications\u003c\/h2\u003e \u003cp\u003eThe filter bag is particularly well suited to applications where sludge needs to be dewatered directly on site:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVehicle and machinery wash bays\u003c\/li\u003e \u003cli\u003eConcrete processing and concrete plants\u003c\/li\u003e \u003cli\u003eRecycling operations and construction sites\u003c\/li\u003e \u003cli\u003eIndustrial process wastewater\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eReliable solids separation protects downstream plant and stabilises operations.\u003c\/p\u003e \u003cp\u003eAs a versatile standard size, the F-BAG L covers a broad range of \u003ca href=\"\/en\/pages\/branchen\" title=\"Filtration by Industry – Industrial Filtration\"\u003eindustry sectors\u003c\/a\u003e. It's the first choice for sludge separation in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration for Civil Engineering \u0026amp; Landscaping – sediment \u0026amp; water filtration\"\u003ecivil engineering\u003c\/a\u003e, in processes across the \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration for Chemicals \u0026amp; Raw Materials – process filtration solutions\"\u003echemical industry\u003c\/a\u003e, or for water treatment in the \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment – rainwater \u0026amp; microplastic filtration\"\u003eenergy \u0026amp; environment\u003c\/a\u003e sector. It also performs reliably in \u003ca href=\"\/en\/collections\/bau\" title=\"Filtration for Construction – filter bags for building sites \u0026amp; sludge dewatering\"\u003econstruction\u003c\/a\u003e, on \u003ca href=\"\/en\/collections\/agrarwirtschaft\" title=\"Filtration for Agriculture – water \u0026amp; sludge filtration\"\u003eagricultural operations\u003c\/a\u003e and for dewatering tasks in \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics – road drainage \u0026amp; rainwater\"\u003etransport \u0026amp; logistics\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eHow Gravity Filtration Works\u003c\/h2\u003e \u003cp\u003eNo pumps, no power supply, no electronics: the sludge-water mix simply flows into the bag, gravity does the rest. Solids remain trapped in the filter material, and the water that drains out can be discharged in a controlled way or reused.\u003c\/p\u003e \u003cp\u003eThe generously sized filter area keeps water flow stable, so the filter bag can be used over a longer period before it needs emptying.\u003c\/p\u003e \u003cp\u003eThe F-BAG L is particularly well suited to businesses that need a reliable, mobile dewatering solution for medium sludge volumes.\u003c\/p\u003e \u003ch2\u003eYour Benefits in Practical Use\u003c\/h2\u003e \u003cp\u003eThe F-BAG L is built for daily use in industry and trades. Its sturdy construction ensures safe handling even with higher solids content.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eBalanced capacity:\u003c\/strong\u003e 0.5 m³ usable volume for medium batches.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobust build:\u003c\/strong\u003e Suited to industrial applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eChemically resistant:\u003c\/strong\u003e Stands up to acidic and alkaline media alike.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEfficient dewatering:\u003c\/strong\u003e Water passes through freely for a fast process.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSafe handling:\u003c\/strong\u003e Reinforced lifting loops make transport and removal easier.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhich Filter Bag Is Right for You? F-BAG Series Size Comparison\u003c\/h2\u003e \u003cp\u003eThe right size depends mainly on your sludge volume, batch size and site conditions. This comparison helps you quickly identify the right filter bag variant:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVariant\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-0-125m3\" title=\"Sludge Dewatering Bag 0.125 m³ | Winkler\"\u003e\u003cstrong\u003eF-BAG M\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.125 m³\u003c\/td\u003e \u003ctd\u003eSmall batches\u003c\/td\u003e \u003ctd\u003eShort-term use or smaller sludge volumes in limited space.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eF-BAG L\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e0.5 m³\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMedium volume flows\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eRegular dewatering with a good balance of size and handling.\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xl-0-8m3\" title=\"Sludge Dewatering Bag 0.8 m³ | Winkler\"\u003e\u003cstrong\u003eF-BAG XL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e0.8 m³\u003c\/td\u003e \u003ctd\u003eLarger batches\u003c\/td\u003e \u003ctd\u003eFor higher sludge volumes and longer dewatering intervals.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-xxl-1-25m3\" title=\"Sludge Dewatering Bag 1.25 m³ | WINKLER\"\u003e\u003cstrong\u003eF-BAG XXL\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003e1.25 m³\u003c\/td\u003e \u003ctd\u003eIndustrial use\u003c\/td\u003e \u003ctd\u003eMaximum capacity for large volume flows and heavy industrial sludge.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/filtersack-schlammentwaesserung-ge-vernova\" title=\"Sludge Dewatering Bag, Custom Size | WINKLER\"\u003e\u003cstrong\u003eF-BAG Custom Size (GE Vernova)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCustom size\u003c\/td\u003e \u003ctd\u003eSpecial installation situations\u003c\/td\u003e \u003ctd\u003ePrecision-fit filter bags for shaft systems or special containers with limited height.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eAlongside standard sizes, \u003cstrong\u003ecustom-made filter bags\u003c\/strong\u003e are also available. Bespoke sizes are especially well suited to existing plant or special installation situations where standard dimensions don't fit.\u003c\/p\u003e \u003ch2\u003eWINKLER F-BAG L Filter Bag: Technical Details\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePolypropylene needle felt\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eUsable volume\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.5 m³\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight 0.70 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBase area\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.90 × 0.80 m\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStraps\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e280 mm overhang\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eLoad ratings\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e400 kg \/ 600 kg \/ 900 kg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003enominal 100 µm, resistant to acids and alkalis\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWater permeability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e135 l s-1 m-2 at 100 mm water column\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDelivery time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1–2 working days\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAdvice From Our Filtration Specialists\u003c\/h3\u003e \u003cp\u003eWant to know whether the F-BAG L is the right size for your application? We offer sound \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Filtration product advice – help choosing the right filter\"\u003e\u003cstrong\u003efiltration advice\u003c\/strong\u003e\u003c\/a\u003e to help you choose the right filter bag size, so your sludge dewatering is reliable and cost-effective.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"400kg","offer_id":54316426625292,"sku":"shop_L_400","price":35.5,"currency_code":"EUR","in_stock":true},{"title":"400kg","offer_id":54316426658060,"sku":"shop_L_600","price":37.0,"currency_code":"EUR","in_stock":true},{"title":"900kg","offer_id":54316426690828,"sku":"shop_L_900","price":53.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/filtersack-schlammentwaesserung-05-grau-schlaufen.jpg?v=1771845943"},{"product_id":"hofeimer-rueckhaltesystem-granulat-70mu","title":"Yard Bucket Pellet Retention System 70 µm – EU-Compliant | Winkler","description":"\u003ch1\u003eYard Bucket Retention System for Plastic Pellets – 70 µm Complete Set\u003c\/h1\u003e \u003ch2\u003ePrecision Protection for Yard Drains Under EU Regulation 2025\/2365\u003c\/h2\u003e \u003cp\u003eWherever plastic pellets are processed or stored, yard drains are the critical interface with the environment. Our \u003cstrong\u003eyard bucket set with a 70 µm micron rating\u003c\/strong\u003e was developed specifically for point drainage on industrial sites. It actively helps industrial operators meet the strict requirements of \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e and stop pellet emissions (microplastics) right at the source. As a specialised \u003ca href=\"\/en\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Retention systems for plastic pellets\"\u003eplastic pellet retention system\u003c\/a\u003e, this set offers a legally compliant solution built to modern industry standards.\u003c\/p\u003e \u003cp\u003eThis ready-to-install set is the ideal technical solution for companies that need to demonstrate, as part of \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e audits, that their drainage systems are secured against pellet loss. While standard drain baskets only catch coarse debris, our specialised fabric reliably retains even the finest abrasion.\u003c\/p\u003e \u003ch2\u003eOptimised for Drainage Close to Production\u003c\/h2\u003e \u003cp\u003eThe yard bucket is used above all wherever maximum security is required in a tight space. It's a key component for clean infrastructure in sectors such as \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration solutions for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePoint drainage in production halls and storage areas\u003c\/li\u003e \u003cli\u003eYard drains near milling\/grinding plant\u003c\/li\u003e \u003cli\u003eCleaning areas for logistics equipment (industry focus: \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Drainage protection for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e)\u003c\/li\u003e \u003cli\u003eSecuring secondary drains on industrial sites within \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Solutions for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eNo-Compromise Engineering: The Winkler Sealing System\u003c\/h2\u003e \u003cp\u003eA retention system is only as good as its seal. Our system prevents particles from \"slipping through\" past the bucket wall using a mechanical forced-flow design:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003ePrecision-fit collar:\u003c\/strong\u003e The 70 µm filter has an integrated collar that fits flush over the rim of the yard bucket.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobust drawstring:\u003c\/strong\u003e Fixing is via a reinforced drawstring that presses the filter firmly against the bucket body.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFull filtration performance:\u003c\/strong\u003e Because we deliberately avoid a bypass (emergency overflow), all surface water must pass through the high-performance fabric – making pellet loss technically impossible.\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eUse the following overview to find the right system for your existing infrastructure:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"width: 17.9254%;\"\u003eModel\u003c\/th\u003e \u003cth style=\"width: 24.6707%;\"\u003eApplication\u003c\/th\u003e \u003cth style=\"width: 24.1636%;\"\u003eBucket type (dimensions)\u003c\/th\u003e \u003cth style=\"width: 32.373%;\"\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-a4-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket A4\"\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003eRoad drain (deep)\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003eForm A (Ø 385 mm, H 600 mm)\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003eMaximum capacity\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-b1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket B1\"\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003eRoad drain (shallow)\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003eForm B (Ø 305 mm, H 250 mm)\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003eShallow installation depth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-c3-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket C3\"\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003eSpeciality catch basin\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003eForm C (Ø 395 mm, H 575 mm)\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003eCompact industrial drains\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-d1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket D1\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003eCompact drain\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003eForm D (Ø 395 mm, H 325 mm)\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003eShallow \u0026amp; narrow\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003e\u003cstrong\u003eYard \u0026amp; point drainage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003e\u003cstrong\u003eØ 260 mm, H 250 mm\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003e\u003cstrong\u003eAreas close to production\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 17.9254%;\"\u003e\u003ca href=\"\/en\/products\/nachruestfilter-granulat-70mu-einzeln\" title=\"Replacement filter for pellets\"\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"width: 24.6707%;\"\u003eAll models\u003c\/td\u003e \u003ctd style=\"width: 24.1636%;\"\u003eUniversal fabric\u003c\/td\u003e \u003ctd style=\"width: 32.373%;\"\u003eSold individually, flexible retrofit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Yard Bucket Set\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1x galvanised yard bucket including fitted 70 µm fine filter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight: 250 mm | Diameter: 260 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFilter material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh-performance polymer (chemical- and oil-resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e70 µm (micron)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFixing\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIntegrated collar with reinforced drawstring\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRegulatory compliance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMeets EU 2025\/2365 \u0026amp; Operation Clean Sweep standards\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we assemble each set individually for your industrial needs, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eAdvice From Our Industrial Filtration Specialists\u003c\/h3\u003e \u003cp\u003eNeed help choosing the right bucket sizes for your site? We offer targeted \u003ca title=\"Expert advice on pellet retention\" href=\"\/en\/pages\/filtertechnik-beratung\"\u003e\u003cstrong\u003eexpert advice on pellet retention\u003c\/strong\u003e\u003c\/a\u003e or comprehensive \u003ca href=\"\/en\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e to help you equip your site in a legally compliant, environmentally sound way.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Default Title","offer_id":54735528263948,"sku":null,"price":149.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/filtereimer-hofeimer-mit-filtereinsatz-mikroplastik-filtration.webp?v=1774603086"},{"product_id":"schlitzeimer-b1-rueckhaltesystem-granulat-70mu","title":"Drain Basket B1 Pellet Filter 70 µm – Shallow Design | Winkler","description":"\u003ch1\u003eDrain Basket B1 Retention System for Plastic Pellets – 70 µm Complete Set\u003c\/h1\u003e \u003ch2\u003eStandards-Compliant Pellet Retention for Shallow Road Drains (DIN 4052)\u003c\/h2\u003e \u003cp\u003eIndustrial outdoor areas with limited construction depth often use shallow catch basins. Our \u003cstrong\u003edrain basket set B1 with a 70 µm micron rating\u003c\/strong\u003e is built exactly for these requirements. It lets industrial operators retrofit their drainage in a legally compliant way under \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e, without any structural changes to existing installations. This specialised \u003ca href=\"\/en\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Retention systems for plastic pellets\"\u003eplastic pellet retention system\u003c\/a\u003e protects your site against microplastic emissions.\u003c\/p\u003e \u003cp\u003eThe system is designed for high-traffic paved areas in the plastics-processing industry. Wherever pellets or regrind are loaded, the B1 drain basket serves as the last mechanical barrier before the sewer and is a key component for \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e audits. It offers maximum security particularly in \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Solutions for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eBuilt for Shallow Installation Depths\u003c\/h2\u003e \u003cp\u003eModel B1, built to DIN 4052, is used wherever site conditions don't allow for a deep shaft. It's a proven component for infrastructure projects in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Filtration solutions for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e as well as \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Environmental technology \u0026 filters\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eShallow road drains on logistics and loading areas\u003c\/li\u003e \u003cli\u003eCar park drainage in industrial settings\u003c\/li\u003e \u003cli\u003eAccess roads to silo systems\u003c\/li\u003e \u003cli\u003eDrainage of yard areas with limited shaft depth\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eNo Bypass Risk Thanks to Winkler Fixing Technology\u003c\/h2\u003e \u003cp\u003eConventional filter solutions often let particles pass around the edge. Our B1 system eliminates this risk with a mechanical forced-flow design for the water:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003eDimensionally stable design:\u003c\/strong\u003e The 70 µm fabric is engineered to make full use of the B1 bucket's shallow shape.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePrecision-fit filter collar:\u003c\/strong\u003e The filter fits over the rim of the galvanised bucket, creating a flush sealing surface.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSecured with a drawstring:\u003c\/strong\u003e An industrial drawstring holds the filter permanently in place. Since we don't use an emergency overflow, the protective function stays 100% intact even during sudden heavy inflow (heavy rainfall).\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eUse the following overview to find the right system for your existing infrastructure:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eModel\u003c\/th\u003e \u003cth\u003eApplication\u003c\/th\u003e \u003cth\u003eBucket type (dimensions)\u003c\/th\u003e \u003cth\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-a4-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket A4\"\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (deep)\u003c\/td\u003e \u003ctd\u003eForm A (Ø 385 mm, H 600 mm)\u003c\/td\u003e \u003ctd\u003eMaximum capacity\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eRoad drain (shallow)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eForm B (Ø 305 mm, H 250 mm)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eShallow installation depth\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-c3-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket C3\"\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eSpeciality catch basin\u003c\/td\u003e \u003ctd\u003eForm C (Ø 395 mm, H 575 mm)\u003c\/td\u003e \u003ctd\u003eCompact industrial drains\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-d1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket D1\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCompact drain\u003c\/td\u003e \u003ctd\u003eForm D (Ø 395 mm, H 325 mm)\u003c\/td\u003e \u003ctd\u003eShallow \u0026amp; narrow\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/hofeimer-rueckhaltesystem-granulat-70mu\" title=\"Yard Bucket Set\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eYard \u0026amp; point drainage\u003c\/td\u003e \u003ctd\u003eØ 260 mm, H 250 mm\u003c\/td\u003e \u003ctd\u003eAreas close to production\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/nachruestfilter-granulat-70mu-einzeln\" title=\"Replacement filter, single unit\"\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eAll models\u003c\/td\u003e \u003ctd\u003eUniversal fabric\u003c\/td\u003e \u003ctd\u003eSold individually, flexible retrofit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Drain Basket B1 Set\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1x galvanised drain basket (Form B1) including fitted 70 µm filter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight: 250 mm | Diameter: 305 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFilter material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh-performance polymer (chemical- and oil-resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e70 µm (micron) – stops pellets and micro-abrasion\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBucket dimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFits standard catch basins Ø 450 mm (shallow Form B)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRegulatory compliance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCompliant with EU 2025\/2365 \u0026amp; Operation Clean Sweep standards\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we assemble each set individually for your industrial needs, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eAdvice From Our Industrial Filtration Specialists\u003c\/h3\u003e \u003cp\u003eNeed help identifying your existing catch basins (A4 or B1)? Our experts are happy to help with \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Expert advice on pellet retention\"\u003e\u003cstrong\u003etargeted expert advice\u003c\/strong\u003e\u003c\/a\u003e or comprehensive \u003ca href=\"\/en\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e to equip your site in a legally compliant way.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Default Title","offer_id":54736653910284,"sku":null,"price":177.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/topf-pelletfilter-b1-70-mikron-filtereimer-mikroplastik-filtration.webp?v=1774608864"},{"product_id":"schlitzeimer-a4-rueckhaltesystem-granulat-70mu","title":"Drain Basket A4 Pellet Filter 70 µm – Deep Design | Winkler","description":"\u003ch1\u003eDrain Basket A4 Retention System for Plastic Pellets – 70 µm Complete Set\u003c\/h1\u003e \u003ch2\u003eMaximum Retention Security for Deep Road Drains Under EU Regulation 2025\/2365\u003c\/h2\u003e \u003cp\u003eFor main traffic areas and logistics zones with deep catch basins, the \u003cstrong\u003eDrain Basket A4 with a 70 µm micron rating\u003c\/strong\u003e is the highest-performance option within our \u003ca href=\"\/en\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Retention systems for plastic pellets\"\u003eplastic pellet retention systems\u003c\/a\u003e. This complete set was developed specifically to help industrial operators meet \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e in a legally compliant way. It offers maximum capture volume for plastic pellets and the finest abrasion directly at the point of surface drainage.\u003c\/p\u003e \u003cp\u003eThanks to its tall design (Form A per DIN 4052), this system is ideal for areas with high water volumes and potentially larger pellet emissions. It's an essential technical component for companies pursuing \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e certification or looking to secure their environmental standards long-term.\u003c\/p\u003e \u003ch2\u003ePrimary Use: High-Traffic Industrial and Logistics Areas\u003c\/h2\u003e \u003cp\u003eModel A4 is the standard for high-volume drainage systems on industrial sites, particularly in sectors such as \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Filtration for Energy \u0026amp; the Environment\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e or \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration solutions for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCentral loading zones for silo vehicles in \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration solutions for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e.\u003c\/li\u003e \u003cli\u003eMain access roads and logistics routes in the plastics-processing industry.\u003c\/li\u003e \u003cli\u003eLarge car parks and yard areas on industrial sites.\u003c\/li\u003e \u003cli\u003eAreas with deep road catch basins per DIN 4052, common in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Drainage for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eZero Emissions Through Mechanical Forced-Flow Design\u003c\/h2\u003e \u003cp\u003eA critical weak point of many filter systems is the bypass. Our A4 system prevents particles \"slipping through\" with a fully sealed design:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003eHigh filter volume:\u003c\/strong\u003e The dimensionally stable 70 µm fabric uses the full depth of the A4 bucket to ensure long service intervals.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegrated collar:\u003c\/strong\u003e The fine filter fits directly over the bucket's rim, forming a physical barrier between the bucket wall and the shaft.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSecure fixing:\u003c\/strong\u003e A reinforced industrial drawstring holds the filter in position even under high water pressure. With no emergency overflow, every particle above 70 µm is reliably retained.\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eUse the following overview to find the right system for your existing infrastructure:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eModel\u003c\/th\u003e \u003cth\u003eApplication\u003c\/th\u003e \u003cth\u003eBucket type (dimensions)\u003c\/th\u003e \u003cth\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eRoad drain (deep)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eForm A (Ø 385 mm, H 600 mm)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMaximum capacity\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-b1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket B1\"\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (shallow)\u003c\/td\u003e \u003ctd\u003eForm B (Ø 305 mm, H 250 mm)\u003c\/td\u003e \u003ctd\u003eShallow installation depth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-c3-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket C3\"\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eSpeciality catch basin\u003c\/td\u003e \u003ctd\u003eForm C (Ø 395 mm, H 575 mm)\u003c\/td\u003e \u003ctd\u003eCompact industrial drains\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-d1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket D1\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCompact drain\u003c\/td\u003e \u003ctd\u003eForm D (Ø 395 mm, H 325 mm)\u003c\/td\u003e \u003ctd\u003eShallow \u0026amp; narrow\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/hofeimer-rueckhaltesystem-granulat-70mu\" title=\"Yard Bucket Set\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eYard \u0026amp; point drainage\u003c\/td\u003e \u003ctd\u003eØ 260 mm, H 250 mm\u003c\/td\u003e \u003ctd\u003eAreas close to production\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/nachruestfilter-granulat-70mu-einzeln\" title=\"Replacement filter, single unit\"\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eAll models\u003c\/td\u003e \u003ctd\u003eUniversal fabric\u003c\/td\u003e \u003ctd\u003eSold individually, flexible retrofit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Drain Basket A4 Set\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1x galvanised drain basket (deep Form A4) including fitted 70 µm filter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight: 600 mm | Diameter: 385 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFilter material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh-performance polymer (chemical- and oil-resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e70 µm (micron) – reliably stops pellets and microplastics\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBucket dimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFits deep standard catch basins Ø 450 mm (Form A)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eService life\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOptimised for long service intervals thanks to large volume\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMeets EU 2025\/2365 \u0026amp; Operation Clean Sweep requirements\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we assemble each bucket system individually for your industrial needs, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eAdvice From Our Industrial Filtration Specialists\u003c\/h3\u003e \u003cp\u003eNot sure whether you need Form A (A4) or Form B (B1)? Our specialists for \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Expert advice on pellet retention\"\u003e\u003cstrong\u003efiltration technology consulting\u003c\/strong\u003e\u003c\/a\u003e or specific \u003ca href=\"\/en\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e are happy to help you measure correctly and equip your site in a legally compliant way.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Default Title","offer_id":54736672686348,"sku":null,"price":196.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/metall-pelletfilter-a4-70-mikron-filtereimer-verzinkt-mikroplastik.webp?v=1774609030"},{"product_id":"schlitzeimer-c3-rueckhaltesystem-granulat-70mu","title":"Drain Basket C3 Pellet Filter 70 µm – Compact Solution | Winkler","description":"\u003ch1\u003eDrain Basket C3 Retention System for Plastic Pellets – 70 µm Complete Set\u003c\/h1\u003e \u003ch2\u003ePrecise Pellet Retention for Compact Speciality Catch Basins (DIN 4052)\u003c\/h2\u003e \u003cp\u003eAlongside standard road drains, many industrial sites also have compact drainage points. Our \u003cstrong\u003edrain basket set C3 with a 70 µm micron rating\u003c\/strong\u003e was built exactly for these speciality catch basins (Form C per DIN 4052). It provides a highly effective way to implement \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e in a legally compliant manner, even at narrow or space-constrained drainage points. This model is a key part of our specialised \u003ca href=\"\/en\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Retention systems for plastic pellets\"\u003eplastic pellet retention systems\u003c\/a\u003e.\u003c\/p\u003e \u003cp\u003eThe C3 system closes the security gap in areas where standard 450 mm buckets are too large. That makes it an essential part of a comprehensive retention strategy for \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e audits.\u003c\/p\u003e \u003ch2\u003eApplication Areas: Compact Industrial Drains\u003c\/h2\u003e \u003cp\u003eModel C3 (Ø 395 mm) is the ideal choice for specialised infrastructure on industrial sites, particularly in sectors such as \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration solutions for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Environmental technology and filters\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNarrow drainage channels close to production.\u003c\/li\u003e \u003cli\u003eSpeciality catch basins in warehouses and loading stations within \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e.\u003c\/li\u003e \u003cli\u003eCompact yard drains with a small cross-section.\u003c\/li\u003e \u003cli\u003ePoint drainage in \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Drainage protection for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e projects.\u003c\/li\u003e \u003cli\u003eInner-courtyard drainage in the plastics-processing industry.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSealing and Installation Within the Winkler System\u003c\/h2\u003e \u003cp\u003eEven at compact diameters, a reliable mechanical barrier is essential. Our C3 system uses a stable fixing method:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003ePrecision-fit manufacturing:\u003c\/strong\u003e The 70 µm high-performance fabric is dimensionally cut to match the C3 drain basket (Ø 395 mm, H 575 mm).\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial drawstring:\u003c\/strong\u003e Fixing is via a robust drawstring that presses the filter firmly against the bucket body.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eImportant note on retention performance:\u003c\/strong\u003e Since this filter is made without an integrated collar, full bypass-freedom cannot be guaranteed. However, incoming water is largely directed through the fine filter fabric, effectively minimising pellet loss (microplastics).\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eUse the following overview to find the right system for your existing infrastructure:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eModel\u003c\/th\u003e \u003cth\u003eApplication\u003c\/th\u003e \u003cth\u003eBucket type (dimensions)\u003c\/th\u003e \u003cth\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-a4-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket A4\"\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (deep)\u003c\/td\u003e \u003ctd\u003eForm A (Ø 385 mm, H 600 mm)\u003c\/td\u003e \u003ctd\u003eMaximum capacity\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-b1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket B1\"\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (shallow)\u003c\/td\u003e \u003ctd\u003eForm B (Ø 305 mm, H 250 mm)\u003c\/td\u003e \u003ctd\u003eShallow installation depth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eSpeciality catch basin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eForm C (Ø 395 mm, H 575 mm)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eCompact industrial drains\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/schlitzeimer-d1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket D1\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCompact drain\u003c\/td\u003e \u003ctd\u003eForm D (Ø 395 mm, H 325 mm)\u003c\/td\u003e \u003ctd\u003eShallow \u0026amp; narrow\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/hofeimer-rueckhaltesystem-granulat-70mu\" title=\"Yard Bucket Complete Set\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eYard \u0026amp; point drainage\u003c\/td\u003e \u003ctd\u003eØ 260 mm, H 250 mm\u003c\/td\u003e \u003ctd\u003eAreas close to production\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"\/en\/products\/nachruestfilter-granulat-70mu-einzeln\" title=\"Replacement filter, single unit\"\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eAll models\u003c\/td\u003e \u003ctd\u003eUniversal fabric\u003c\/td\u003e \u003ctd\u003eSold individually, flexible retrofit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Drain Basket C3 Set\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1x galvanised drain basket (Form C3) including fitted 70 µm filter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight: 575 mm | Diameter: 395 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFilter material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh-performance polymer (high-strength \u0026amp; media-resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e70 µm (micron) – secure retention of pellets and abrasion\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFixing\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRobust industrial drawstring (no filter collar)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSupports EU 2025\/2365 \u0026amp; Operation Clean Sweep standards\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we assemble each bucket system individually for your industrial needs, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eAdvice From Our Industrial Filtration Specialists\u003c\/h3\u003e \u003cp\u003eNeed help identifying your catch basins? Our specialists for \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Expert advice on pellet retention\"\u003e\u003cstrong\u003efiltration technology consulting\u003c\/strong\u003e\u003c\/a\u003e or comprehensive \u003ca href=\"\/en\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e are happy to help you secure your compact drainage systems optimally.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Default Title","offer_id":54736673997068,"sku":null,"price":188.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/kegel-pelletfilter-a3-70-mikron-filtereimer-c3-mikroplastik.webp?v=1774608781"},{"product_id":"schlitzeimer-d1-rueckhaltesystem-granulat-70mu","title":"Drain Basket D1 Pellet Filter 70 µm – Shallow Compact Design | Winkler","description":"\u003ch1\u003eDrain Basket D1 Retention System for Plastic Pellets – 70 µm Complete Set\u003c\/h1\u003e \u003ch2\u003eCompact Protection for Shallow Industrial Drains Under EU Regulation 2025\/2365\u003c\/h2\u003e \u003cp\u003eWhere space and depth are limited, precision matters. Our \u003cstrong\u003edrain basket set D1 with a 70 µm micron rating\u003c\/strong\u003e was developed specifically for shallow, compact catch basins (Form D per DIN 4052). It gives industrial operators a technically mature way to implement \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e in a legally compliant manner, even where conventional retention systems are too deep or too wide. This specialised \u003ca href=\"\/en\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Plastic Pellet Retention System\"\u003eplastic pellet retention system\u003c\/a\u003e protects your site against microplastic emissions.\u003c\/p\u003e \u003cp\u003eModel D1 answers the challenges found in outdoor areas close to production or specialised logistics zones. As an integral part of your \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e strategy, this fine filter reliably prevents plastic pellets or abrasion from reaching the environment via surface drainage.\u003c\/p\u003e \u003ch2\u003eApplication Areas: Compact \u0026amp; Shallow\u003c\/h2\u003e \u003cp\u003eModel D1 (Ø 395 mm, shallow depth) is the first choice for specialised drainage points, particularly in sectors such as \u003ca href=\"\/en\/collections\/verkehr-logistik\" title=\"Filtration solutions for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/tiefbau-landschaftsbau\" title=\"Drainage for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eShallow drainage channels in loading halls.\u003c\/li\u003e \u003cli\u003eCompact catch basins on paved industrial areas in the \u003ca href=\"\/en\/collections\/chemie-rohstoffe\" title=\"Filtration for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e sector.\u003c\/li\u003e \u003cli\u003ePoint drainage with limited shaft depth for plant in \u003ca href=\"\/en\/collections\/energie-umwelt\" title=\"Solutions for Energy \u0026amp; the Environment\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e.\u003c\/li\u003e \u003cli\u003eRetrofitting existing systems with limited installation height.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSealing and Installation Within the Winkler System\u003c\/h2\u003e \u003cp\u003eEven in this shallow design, we rely on a stable mechanical barrier. The Winkler system for Form D1 uses targeted fixing:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003ePrecision-fit manufacturing:\u003c\/strong\u003e The 70 µm high-performance fabric is dimensionally cut to match the D1 drain basket (Ø 395 mm, H 325 mm).\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial fixing:\u003c\/strong\u003e A reinforced drawstring presses the filter tightly against the bucket body, making it mechanically harder for pellets to pass through uncontrolled.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eImportant note on retention performance:\u003c\/strong\u003e Since this filter is made without an integrated collar, full bypass-freedom cannot be guaranteed. However, incoming water is largely directed through the fine filter fabric, effectively minimising pellet loss.\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eUse the following overview to find the right system for your existing infrastructure:\u003c\/p\u003e \u003ctable style=\"height: 137.2px;\" width=\"100%\"\u003e \u003cthead\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003cth style=\"height: 19.6px; width: 12.8882%;\"\u003eModel\u003c\/th\u003e \u003cth style=\"height: 19.6px; width: 29.6584%;\"\u003eApplication\u003c\/th\u003e \u003cth style=\"height: 19.6px; width: 24.0683%;\"\u003eBucket type (dimensions)\u003c\/th\u003e \u003cth style=\"height: 19.6px; width: 32.2981%;\"\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-a4-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket A4\"\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003eRoad drain (deep)\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003eForm A (Ø 385 mm, H 600 mm)\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003eMaximum capacity\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-b1-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket B1\"\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003eRoad drain (shallow)\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003eForm B (Ø 305 mm, H 250 mm)\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003eShallow installation depth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003ca href=\"\/en\/products\/schlitzeimer-c3-rueckhaltesystem-granulat-70mu\" title=\"Drain Basket C3\"\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003eSpeciality catch basin\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003eForm C (Ø 395 mm, H 575 mm)\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003eCompact industrial drains\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003e\u003cstrong\u003eCompact drain\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003e\u003cstrong\u003eForm D (Ø 395 mm, H 325 mm)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003e\u003cstrong\u003eShallow \u0026amp; narrow\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003ca href=\"\/en\/products\/hofeimer-rueckhaltesystem-granulat-70mu\" title=\"Yard Bucket Set\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003eYard \u0026amp; point drainage\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003eØ 260 mm, H 250 mm\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003eAreas close to production\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px; width: 12.8882%;\"\u003e\u003ca href=\"\/en\/products\/nachruestfilter-granulat-70mu-einzeln\" title=\"Replacement filter, single unit\"\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 29.6584%;\"\u003eAll models\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 24.0683%;\"\u003eUniversal fabric\u003c\/td\u003e \u003ctd style=\"height: 19.6px; width: 32.2981%;\"\u003eSold individually, flexible retrofit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Drain Basket D1 Set\u003c\/h2\u003e \u003ctable width=\"100%\" style=\"height: 98px;\"\u003e \u003ctbody\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px;\"\u003e1x galvanised drain basket (shallow Form D1) including fitted 70 µm filter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeight: 325 mm | Diameter: 395 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eFilter material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px;\"\u003eHigh-performance polymer (chemical- and oil-resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px;\"\u003e70 µm (micron) – stops pellets and microparticles\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFixing\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRobust industrial drawstring (no filter collar)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.6px;\"\u003e \u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eRegulatory compliance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 19.6px;\"\u003eMeets EU 2025\/2365 \u0026amp; Operation Clean Sweep standards\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we assemble each bucket system individually for your industrial needs, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eAdvice From Our Industrial Filtration Specialists\u003c\/h3\u003e \u003cp\u003eNeed help measuring your catch basins on site? Our specialists for \u003ca href=\"\/en\/pages\/filtertechnik-beratung\" title=\"Expert advice on pellet retention\"\u003e\u003cstrong\u003efiltration technology consulting\u003c\/strong\u003e\u003c\/a\u003e or comprehensive \u003ca href=\"\/en\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e are happy to help you find the right solution for your shallow drains.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Default Title","offer_id":54736675668236,"sku":null,"price":164.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/metall-hofeimer-filter-d1-din-norm-70-mikron-pelletfilter.webp?v=1774608212"},{"product_id":"nachruestfilter-granulat-70mu-einzeln","title":"Replacement Pellet Filter 70 µm – EU 2025\/2365 | Winkler","description":"\u003ch1\u003eReplacement Filter for Plastic Pellets – 70 µm (Sold Individually)\u003c\/h1\u003e \u003ch2\u003eCost-Effective \u0026amp; Sustainable Retrofitting Under EU Regulation 2025\/2365\u003c\/h2\u003e \u003cp\u003eExisting drainage systems don't need to be fully replaced to meet modern environmental requirements. Our \u003cstrong\u003ereplacement filter with a 70 µm micron rating\u003c\/strong\u003e lets industrial operators cost-effectively upgrade existing drain baskets and catch basins to the standard set by \u003cstrong\u003eEU Regulation 2025\/2365\u003c\/strong\u003e. As the core component of our specialised \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/collections\/rueckhaltesystem-kunststoffgranulat-70mu\" title=\"Retention systems for plastic pellets\"\u003eplastic pellet retention systems\u003c\/a\u003e, we offer this high-performance filter individually, giving you maximum flexibility for maintaining and equipping your site.\u003c\/p\u003e \u003cp\u003eThis replacement filter is the ideal solution for companies implementing technical retention measures as part of \u003cem\u003eOperation Clean Sweep\u003c\/em\u003e while continuing to use existing resources such as galvanised drain baskets built to DIN 4052. It stops plastic pellets and fine abrasion right where they occur. This retrofit is a key building block for environmental protection, particularly in sensitive areas of the \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/collections\/chemie-rohstoffe\" title=\"Filtration for Chemicals \u0026amp; Raw Materials\"\u003eChemicals \u0026amp; Raw Materials\u003c\/a\u003e and \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/collections\/energie-umwelt\" title=\"Solutions for Energy \u0026amp; the Environment\"\u003eEnergy \u0026amp; the Environment\u003c\/a\u003e sectors.\u003c\/p\u003e \u003ch2\u003eFlexibility First: Sold Individually, Not in Packs\u003c\/h2\u003e \u003cp\u003eWe've adapted our offering to match your actual industrial needs:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eSold individually:\u003c\/strong\u003e Order exactly the quantity you need for your current replacement cycle.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUniversal fit:\u003c\/strong\u003e Available for all common bucket sizes, from A4 to the yard bucket.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLower costs:\u003c\/strong\u003e The sturdy metal buckets stay in place – only the filter medium is replaced.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSustainability:\u003c\/strong\u003e Less material use through targeted replacement of the wear component, ideal for requirements in \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/collections\/verkehr-logistik\" title=\"Filtration solutions for Transport \u0026amp; Logistics\"\u003eTransport \u0026amp; Logistics\u003c\/a\u003e.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSecure Sealing Through the Winkler Principle\u003c\/h2\u003e \u003cp\u003eA replacement filter is only effective if it seals completely. Our system prevents the dreaded \"slip-through\" of pellets past the bucket wall:\u003c\/p\u003e \u003col\u003e \u003cli\u003e \u003cstrong\u003eIntegrated collar:\u003c\/strong\u003e The 70 µm fabric has a reinforced collar that simply fits over the rim of your existing bucket.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMechanical fixing:\u003c\/strong\u003e A robust industrial drawstring secures the filter to the bucket body, forcing all water through the fabric.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eNo bypass:\u003c\/strong\u003e By avoiding an emergency overflow, retention performance stays 100% intact – a decisive benefit for legally securing your site in \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/collections\/tiefbau-landschaftsbau\" title=\"Drainage protection for Civil Engineering \u0026amp; Landscaping\"\u003eCivil Engineering \u0026amp; Landscaping\u003c\/a\u003e.\u003c\/li\u003e \u003c\/ol\u003e \u003ch2\u003eComparing the Retention System Models\u003c\/h2\u003e \u003cp\u003eWhen ordering the replacement filter, simply select the size that matches your existing bucket type:\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eModel\u003c\/th\u003e \u003cth\u003eApplication\u003c\/th\u003e \u003cth\u003eBucket type (DIN 4052)\u003c\/th\u003e \u003cth\u003eSpecial feature\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/products\/schlitzeimer-a4-rueckhaltesystem-granulat-70mu\" title=\"Replacement filter for Drain Basket A4\"\u003e\u003cstrong\u003eA4\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (deep)\u003c\/td\u003e \u003ctd\u003eForm A (Ø 450 mm)\u003c\/td\u003e \u003ctd\u003eMaximum capacity \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/products\/schlitzeimer-b1-rueckhaltesystem-granulat-70mu\" title=\"Replacement filter for Drain Basket B1\"\u003e\u003cstrong\u003eB1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eRoad drain (shallow)\u003c\/td\u003e \u003ctd\u003eForm B (Ø 450 mm)\u003c\/td\u003e \u003ctd\u003eShallow installation depth \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/products\/schlitzeimer-c3-rueckhaltesystem-granulat-70mu\" title=\"Replacement filter for Drain Basket C3\"\u003e\u003cstrong\u003eC3\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eSpeciality catch basin\u003c\/td\u003e \u003ctd\u003eForm C (Ø 300 mm)\u003c\/td\u003e \u003ctd\u003eCompact industrial drains \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/products\/schlitzeimer-d1-rueckhaltesystem-granulat-70mu\" title=\"Replacement filter for Drain Basket D1\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eCompact drain\u003c\/td\u003e \u003ctd\u003eForm D (Ø 300 mm)\u003c\/td\u003e \u003ctd\u003eShallow \u0026amp; narrow \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/products\/hofeimer-rueckhaltesystem-granulat-70mu\" title=\"Replacement filter for Yard Bucket\"\u003e\u003cstrong\u003eYard bucket\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e \u003ctd\u003eYard \u0026amp; point drainage\u003c\/td\u003e \u003ctd\u003eSquare \/ small round\u003c\/td\u003e \u003ctd\u003eAreas close to production \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eReplacement filter\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAll models\u003c\/td\u003e \u003ctd\u003eUniversal fabric\u003c\/td\u003e \u003ctd\u003eSold individually, flexible retrofit \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eTechnical Details: Replacement Filter 70 µm\u003c\/h2\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh-performance polymer (chemical-, UV- and oil-resistant) \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMicron rating\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e70 µm (micron) for secure microplastic retention \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFixing\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIntegrated collar with reinforced industrial drawstring \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFits drain baskets per DIN 4052 (Form A, B, C, D) \u0026amp; yard buckets \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1x replacement filter 70 µm (single unit) for retrofitting \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cem\u003eNote: as we manufacture the filters individually to your requirements, please allow the corresponding lead time for manufacturing.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eExpert Advice for Your Retrofit\u003c\/h3\u003e \u003cp\u003eNeed help determining the right filter size for your existing buckets? Our specialists for \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/pages\/filtertechnik-beratung\" title=\"Expert advice on pellet retention\"\u003e\u003cstrong\u003eexpert advice on pellet retention\u003c\/strong\u003e\u003c\/a\u003e or general \u003ca href=\"https:\/\/shop.winkler-filtertechnik.de\/pages\/beratung-industrielle-filtertechnik\" title=\"Industrial filtration consulting\"\u003e\u003cstrong\u003eindustrial filtration consulting\u003c\/strong\u003e\u003c\/a\u003e are happy to help you modernise your existing system in a legally compliant, environmentally sound way.\u003c\/p\u003e","brand":"Winkler GmbH","offers":[{"title":"Hofeimer","offer_id":54750789665036,"sku":null,"price":125.0,"currency_code":"EUR","in_stock":true},{"title":"B1","offer_id":54750789697804,"sku":null,"price":140.0,"currency_code":"EUR","in_stock":true},{"title":"D1","offer_id":54750789730572,"sku":null,"price":132.0,"currency_code":"EUR","in_stock":true},{"title":"C3","offer_id":54750789763340,"sku":null,"price":147.0,"currency_code":"EUR","in_stock":true},{"title":"A4","offer_id":54750789796108,"sku":null,"price":155.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/files\/Filtereins_tze_Gr_envergleich_Hofeimer_B1_D1_C3_A4.webp?v=1775551616"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/5989\/6784\/collections\/csm_sickerschacht_d4e7c1a009.jpg?v=1695133957","url":"https:\/\/shop.winkler-filtertechnik.de\/en\/collections\/civil-engineering-landscaping.oembed?page=2","provider":"Winkler GmbH","version":"1.0","type":"link"}