{"product_id":"haywardperflex20sqftmodularfilterwclampw3ec40achppw3ec40ac","title":"Hayward Perflex 20 sq ft Modular Filter w\/ Clamp | W3EC40AC","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"474\" data-end=\"493\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"495\" data-end=\"832\"\u003eThe \u003cstrong data-start=\"499\" data-end=\"562\"\u003eHayward Perflex 20 sq ft Modular Filter with Clamp W3EC40AC\u003c\/strong\u003e is an extended-cycle DE filter designed to deliver clear, sparkling pool water with simple, efficient operation. Built with Hayward’s patented \u003cstrong data-start=\"706\" data-end=\"719\"\u003eFlex-Tube\u003c\/strong\u003e design, this filter uses diatomaceous earth to capture fine particles and help maintain excellent water clarity.\u003c\/p\u003e\n\u003cp data-start=\"834\" data-end=\"1161\"\u003eUnlike traditional backwash DE filters, the Perflex system does \u003cstrong data-start=\"898\" data-end=\"925\"\u003enot require backwashing\u003c\/strong\u003e. Instead, the exclusive bump handle activates the Flex-Tubes, helping remove dirt and DE powder from the tube surfaces so fresh filtering surfaces can form. This helps extend filter cycles, reduce water waste, and simplify maintenance.\u003c\/p\u003e\n\u003cp data-start=\"1163\" data-end=\"1492\"\u003eThe W3EC40AC includes an \u003cstrong data-start=\"1188\" data-end=\"1218\"\u003eeasy-access clamp assembly\u003c\/strong\u003e, making service access more convenient compared with older bolt-style designs. Hayward lists this model with \u003cstrong data-start=\"1328\" data-end=\"1453\"\u003e20 sq. ft. effective filtration area, 40 GPM design flow rate, 4 lb DE capacity, and 26.5\" x 16\" x 16\" product dimensions\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1vdrhtn\" data-start=\"1494\" data-end=\"1506\"\u003eIdeal For\u003c\/h2\u003e\n\u003cp data-start=\"1508\" data-end=\"1848\"\u003eAbove-ground swimming pools\u003cbr data-start=\"1535\" data-end=\"1538\"\u003eCompatible in-ground pool applications\u003cbr data-start=\"1576\" data-end=\"1579\"\u003ePool owners looking for DE filtration without backwashing\u003cbr data-start=\"1636\" data-end=\"1639\"\u003eReplacement for Hayward EC40AC \/ W3EC40AC filter systems\u003cbr data-start=\"1695\" data-end=\"1698\"\u003eCustomers wanting fine-particle water clarity\u003cbr data-start=\"1743\" data-end=\"1746\"\u003eSystems requiring a compact 20 sq. ft. DE filter\u003cbr data-start=\"1794\" data-end=\"1797\"\u003ePool owners who prefer clamp-style service access\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1850\" data-end=\"1865\"\u003eKey Features\u003c\/h2\u003e\n\u003ch3 data-section-id=\"g2v7e\" data-start=\"1867\" data-end=\"1900\"\u003e20 sq. ft. DE Filtration Area\u003c\/h3\u003e\n\u003cp data-start=\"1902\" data-end=\"2020\"\u003eThe 20 square foot effective filtration area provides dependable dirt and debris capture for residential pool systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"182b6ib\" data-start=\"2022\" data-end=\"2051\"\u003ePatented Flex-Tube Design\u003c\/h3\u003e\n\u003cp data-start=\"2053\" data-end=\"2216\"\u003eHayward’s Flex-Tube system works with DE powder to create fresh filtering surfaces during the cleaning cycle, supporting clear water and extended filter operation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"9f62aw\" data-start=\"2218\" data-end=\"2245\"\u003eNo Backwashing Required\u003c\/h3\u003e\n\u003cp data-start=\"2247\" data-end=\"2390\"\u003eThe Perflex extended-cycle design provides DE filtration without traditional backwashing, helping conserve water and simplify pool maintenance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1a9dz1o\" data-start=\"2392\" data-end=\"2422\"\u003eEasy-Access Clamp Assembly\u003c\/h3\u003e\n\u003cp data-start=\"2424\" data-end=\"2523\"\u003eThe clamp design provides easier access to the internal filter components for cleaning and service.\u003c\/p\u003e\n\u003ch3 data-section-id=\"frj9vs\" data-start=\"2525\" data-end=\"2550\"\u003eExclusive Bump Handle\u003c\/h3\u003e\n\u003cp data-start=\"2552\" data-end=\"2715\"\u003eThe integrated bump handle activates the Flex-Tubes, helping purge dirt and used DE powder from the tube surfaces so the filter can continue operating efficiently.\u003c\/p\u003e\n\u003ch3 data-section-id=\"186frpb\" data-start=\"2717\" data-end=\"2746\"\u003eSuperior DE Water Clarity\u003c\/h3\u003e\n\u003cp data-start=\"2748\" data-end=\"2855\"\u003eDiatomaceous earth filtration helps remove fine particles from pool water for a clean, polished appearance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zvp3zg\" data-start=\"2857\" data-end=\"2880\"\u003eSelf-Venting Design\u003c\/h3\u003e\n\u003cp data-start=\"2882\" data-end=\"2967\"\u003eThe filter is designed to expel air through the filtered water returning to the pool.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yg05mi\" data-start=\"2969\" data-end=\"2991\"\u003eUniform DE Coating\u003c\/h3\u003e\n\u003cp data-start=\"2993\" data-end=\"3134\"\u003eThe combination diffuser and lower mixing chamber help produce an even coating of DE on the Flex-Tubes for consistent filtration performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"njf8jj\" data-start=\"3136\" data-end=\"3162\"\u003eCompact Modular Design\u003c\/h3\u003e\n\u003cp data-start=\"3164\" data-end=\"3276\"\u003eThe compact 16\" x 16\" footprint makes this filter a practical option for many above-ground pool equipment areas.\u003c\/p\u003e\n\u003ch2 data-section-id=\"2qq1z5\" data-start=\"3278\" data-end=\"3289\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"3291\" data-end=\"3589\"\u003eThe Hayward W3EC40AC is a strong choice for pool owners who want the clarity of DE filtration with easier maintenance than traditional backwash systems. Its extended-cycle operation helps reduce water waste, while the bump handle makes routine cleaning simple without opening the filter every time.\u003c\/p\u003e\n\u003cp data-start=\"3591\" data-end=\"3826\"\u003eWith its 20 sq. ft. filtration area, 4 lb DE charge, 40 GPM design flow rate, and easy-access clamp assembly, this model is a practical solution for residential pool systems when properly matched with the pump, plumbing, and pool size.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"3828\" data-end=\"3845\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3847\" data-end=\"4991\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3847\" data-end=\"3874\"\u003e\n\u003ctr data-start=\"3847\" data-end=\"3874\"\u003e\n\u003cth data-start=\"3847\" data-end=\"3863\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3863\" data-end=\"3874\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3885\" data-end=\"4991\"\u003e\n\u003ctr data-start=\"3885\" data-end=\"3904\"\u003e\n\u003ctd data-start=\"3885\" data-end=\"3893\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3893\" data-end=\"3904\"\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3905\" data-end=\"3925\"\u003e\n\u003ctd data-start=\"3905\" data-end=\"3914\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"3914\" data-end=\"3925\" data-col-size=\"sm\"\u003ePerflex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3926\" data-end=\"3946\"\u003e\n\u003ctd data-start=\"3926\" data-end=\"3934\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3934\" data-end=\"3946\"\u003eW3EC40AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3947\" data-end=\"3975\"\u003e\n\u003ctd data-start=\"3947\" data-end=\"3965\" data-col-size=\"sm\"\u003eAlternate Model\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3965\" data-end=\"3975\"\u003eEC40AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3976\" data-end=\"3994\"\u003e\n\u003ctd data-start=\"3976\" data-end=\"3982\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"3982\" data-end=\"3994\" data-col-size=\"sm\"\u003eW3EC40AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3995\" data-end=\"4027\"\u003e\n\u003ctd data-start=\"3995\" data-end=\"4011\" data-col-size=\"sm\"\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4011\" data-end=\"4027\"\u003e610377386975\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4028\" data-end=\"4061\"\u003e\n\u003ctd data-start=\"4028\" data-end=\"4043\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4043\" data-end=\"4061\"\u003eDE pool filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4062\" data-end=\"4103\"\u003e\n\u003ctd data-start=\"4062\" data-end=\"4076\" data-col-size=\"sm\"\u003eFilter Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4076\" data-end=\"4103\"\u003eDE \/ Diatomaceous Earth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4104\" data-end=\"4163\"\u003e\n\u003ctd data-start=\"4104\" data-end=\"4119\" data-col-size=\"sm\"\u003eFilter Style\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4119\" data-end=\"4163\"\u003eExtended-cycle modular filter with clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4164\" data-end=\"4206\"\u003e\n\u003ctd data-start=\"4164\" data-end=\"4192\" data-col-size=\"sm\"\u003eEffective Filtration Area\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4192\" data-end=\"4206\"\u003e20 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4207\" data-end=\"4231\"\u003e\n\u003ctd data-start=\"4207\" data-end=\"4221\" data-col-size=\"sm\"\u003eDE Required\u003c\/td\u003e\n\u003ctd data-start=\"4221\" data-end=\"4231\" data-col-size=\"sm\"\u003e4 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4232\" data-end=\"4261\"\u003e\n\u003ctd data-start=\"4232\" data-end=\"4251\" data-col-size=\"sm\"\u003eDesign Flow Rate\u003c\/td\u003e\n\u003ctd data-start=\"4251\" data-end=\"4261\" data-col-size=\"sm\"\u003e40 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4262\" data-end=\"4298\"\u003e\n\u003ctd data-start=\"4262\" data-end=\"4288\" data-col-size=\"sm\"\u003ePublic Design Flow Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4288\" data-end=\"4298\"\u003e40 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4299\" data-end=\"4340\"\u003e\n\u003ctd data-start=\"4299\" data-end=\"4330\" data-col-size=\"sm\"\u003eResidential Design Flow Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4330\" data-end=\"4340\"\u003e40 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4341\" data-end=\"4377\"\u003e\n\u003ctd data-start=\"4341\" data-end=\"4359\" data-col-size=\"sm\"\u003e8-Hour Turnover\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4359\" data-end=\"4377\"\u003e19,200 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4378\" data-end=\"4415\"\u003e\n\u003ctd data-start=\"4378\" data-end=\"4397\" data-col-size=\"sm\"\u003e10-Hour Turnover\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4397\" data-end=\"4415\"\u003e24,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4416\" data-end=\"4449\"\u003e\n\u003ctd data-start=\"4416\" data-end=\"4444\" data-col-size=\"sm\"\u003eNumber of Filter Elements\u003c\/td\u003e\n\u003ctd data-start=\"4444\" data-end=\"4449\" data-col-size=\"sm\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4450\" data-end=\"4474\"\u003e\n\u003ctd data-start=\"4450\" data-end=\"4467\" data-col-size=\"sm\"\u003eValve Included\u003c\/td\u003e\n\u003ctd data-start=\"4467\" data-end=\"4474\" data-col-size=\"sm\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4475\" data-end=\"4504\"\u003e\n\u003ctd data-start=\"4475\" data-end=\"4498\" data-col-size=\"sm\"\u003eBackwashing Required\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4498\" data-end=\"4504\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4505\" data-end=\"4557\"\u003e\n\u003ctd data-start=\"4505\" data-end=\"4523\" data-col-size=\"sm\"\u003eCleaning Method\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4523\" data-end=\"4557\"\u003eBump handle Flex-Tube cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4558\" data-end=\"4606\"\u003e\n\u003ctd data-start=\"4558\" data-end=\"4573\" data-col-size=\"sm\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4573\" data-end=\"4606\"\u003ePool-grade diatomaceous earth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4607\" data-end=\"4649\"\u003e\n\u003ctd data-start=\"4607\" data-end=\"4619\" data-col-size=\"sm\"\u003ePool Type\u003c\/td\u003e\n\u003ctd data-start=\"4619\" data-end=\"4649\" data-col-size=\"sm\"\u003eAbove-ground and in-ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4650\" data-end=\"4682\"\u003e\n\u003ctd data-start=\"4650\" data-end=\"4676\" data-col-size=\"sm\"\u003ePressure Gauge Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4676\" data-end=\"4682\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4683\" data-end=\"4731\"\u003e\n\u003ctd data-start=\"4683\" data-end=\"4704\" data-col-size=\"sm\"\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4704\" data-end=\"4731\"\u003e26.5\" H x 16\" L x 16\" W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4732\" data-end=\"4758\"\u003e\n\u003ctd data-start=\"4732\" data-end=\"4749\" data-col-size=\"sm\"\u003eProduct Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4749\" data-end=\"4758\"\u003e26.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4759\" data-end=\"4783\"\u003e\n\u003ctd data-start=\"4759\" data-end=\"4776\" data-col-size=\"sm\"\u003eProduct Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4776\" data-end=\"4783\"\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4784\" data-end=\"4807\"\u003e\n\u003ctd data-start=\"4784\" data-end=\"4800\" data-col-size=\"sm\"\u003eProduct Width\u003c\/td\u003e\n\u003ctd data-start=\"4800\" data-end=\"4807\" data-col-size=\"sm\"\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4808\" data-end=\"4836\"\u003e\n\u003ctd data-start=\"4808\" data-end=\"4825\" data-col-size=\"sm\"\u003eProduct Weight\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4825\" data-end=\"4836\"\u003e26 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4837\" data-end=\"4884\"\u003e\n\u003ctd data-start=\"4837\" data-end=\"4859\" data-col-size=\"sm\"\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4859\" data-end=\"4884\"\u003e32.5\" x 16.2\" x 19.9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4885\" data-end=\"4914\"\u003e\n\u003ctd data-start=\"4885\" data-end=\"4903\" data-col-size=\"sm\"\u003eShipping Weight\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4903\" data-end=\"4914\"\u003e29 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4915\" data-end=\"4970\"\u003e\n\u003ctd data-start=\"4915\" data-end=\"4932\" data-col-size=\"sm\"\u003eParts Warranty\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4932\" data-end=\"4970\"\u003e1-Year Manufacturer Parts Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4971\" data-end=\"4991\"\u003e\n\u003ctd data-start=\"4971\" data-end=\"4985\" data-col-size=\"sm\"\u003eDE Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"4985\" data-end=\"4991\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"xydb7h\" data-start=\"4993\" data-end=\"5011\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp data-start=\"5013\" data-end=\"5227\"\u003eHayward W3EC40AC Perflex 20 sq. ft. DE filter\u003cbr data-start=\"5058\" data-end=\"5061\"\u003eFlex-Tube filter assembly\u003cbr data-start=\"5086\" data-end=\"5089\"\u003eBump handle mechanism\u003cbr data-start=\"5110\" data-end=\"5113\"\u003eEasy-access clamp assembly\u003cbr data-start=\"5139\" data-end=\"5142\"\u003eFilter tank and base assembly\u003cbr data-start=\"5171\" data-end=\"5174\"\u003eInternal diffuser \/ lower mixing chamber components\u003c\/p\u003e\n\u003cp data-start=\"5229\" data-end=\"5457\"\u003e\u003cstrong data-start=\"5229\" data-end=\"5270\"\u003ePool-grade DE powder is not included.\u003c\/strong\u003e\u003cbr data-start=\"5270\" data-end=\"5273\"\u003e\u003cstrong data-start=\"5273\" data-end=\"5344\"\u003ePressure gauge is listed by Hayward as not included for this model.\u003c\/strong\u003e\u003cbr data-start=\"5344\" data-end=\"5347\"\u003e\u003cstrong data-start=\"5347\" data-end=\"5457\"\u003ePump, hoses, fittings, and plumbing accessories are not included unless supplied separately by the seller.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"px9lge\" data-start=\"5459\" data-end=\"5481\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1911xul\" data-start=\"5483\" data-end=\"5514\"\u003eIs this a cartridge filter?\u003c\/h3\u003e\n\u003cp data-start=\"5516\" data-end=\"5662\"\u003eNo. The Hayward W3EC40AC is a \u003cstrong data-start=\"5546\" data-end=\"5559\"\u003eDE filter\u003c\/strong\u003e, not a cartridge filter. It uses diatomaceous earth powder with Hayward’s Flex-Tube filtration system.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1797t3d\" data-start=\"5664\" data-end=\"5705\"\u003eDoes this filter require backwashing?\u003c\/h3\u003e\n\u003cp data-start=\"5707\" data-end=\"5849\"\u003eNo. The Perflex W3EC40AC is designed for \u003cstrong data-start=\"5748\" data-end=\"5773\"\u003eno-backwash operation\u003c\/strong\u003e. The bump handle helps clean the Flex-Tubes and redistribute the DE powder.\u003c\/p\u003e\n\u003ch3 data-section-id=\"jvao1d\" data-start=\"5851\" data-end=\"5896\"\u003eHow much DE powder does this filter need?\u003c\/h3\u003e\n\u003cp data-start=\"5898\" data-end=\"5963\"\u003eThis filter requires \u003cstrong data-start=\"5919\" data-end=\"5962\"\u003e4 lbs. of pool-grade diatomaceous earth\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yyj7dt\" data-start=\"5965\" data-end=\"5991\"\u003eIs DE powder included?\u003c\/h3\u003e\n\u003cp data-start=\"5993\" data-end=\"6036\"\u003eNo. DE powder must be purchased separately.\u003c\/p\u003e\n\u003ch3 data-section-id=\"8bgy4g\" data-start=\"6038\" data-end=\"6064\"\u003eWhat is the flow rate?\u003c\/h3\u003e\n\u003cp data-start=\"6066\" data-end=\"6132\"\u003eThe Hayward W3EC40AC is listed with a \u003cstrong data-start=\"6104\" data-end=\"6131\"\u003e40 GPM design flow rate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hqe1b7\" data-start=\"6134\" data-end=\"6170\"\u003eDoes this model include a clamp?\u003c\/h3\u003e\n\u003cp data-start=\"6172\" data-end=\"6280\"\u003eYes. This version is the \u003cstrong data-start=\"6197\" data-end=\"6236\"\u003e20 sq. ft. Perflex model with clamp\u003c\/strong\u003e and includes an easy-access clamp assembly.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ovnj7v\" data-start=\"6282\" data-end=\"6328\"\u003eDoes this filter include a pressure gauge?\u003c\/h3\u003e\n\u003cp data-start=\"6330\" data-end=\"6392\"\u003eHayward lists the W3EC40AC as \u003cstrong data-start=\"6360\" data-end=\"6391\"\u003epressure gauge not included\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18oiq1l\" data-start=\"6394\" data-end=\"6435\"\u003eWhat type of pool is this filter for?\u003c\/h3\u003e\n\u003cp data-start=\"6437\" data-end=\"6584\"\u003eHayward lists this model for \u003cstrong data-start=\"6466\" data-end=\"6514\"\u003eabove-ground and in-ground pool applications\u003c\/strong\u003e when properly matched with the pump, plumbing, and pool requirements.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1atjxrw\" data-start=\"6586\" data-end=\"6619\"\u003eWhat does the bump handle do?\u003c\/h3\u003e\n\u003cp data-start=\"6621\" data-end=\"6757\"\u003eThe bump handle activates the Flex-Tubes, helping remove dirt and DE powder from the tube surfaces so fresh filtering surfaces can form.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14wj25k\" data-start=\"6759\" data-end=\"6817\"\u003eWhat makes Perflex different from standard DE filters?\u003c\/h3\u003e\n\u003cp data-start=\"6819\" data-end=\"6972\"\u003ePerflex filters use Hayward’s patented Flex-Tube system and bump handle cleaning method, allowing extended filter cycles without traditional backwashing.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52762729251126,"sku":"HPPW3EC40AC -H","price":569.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/HPPW3EC40AC_0_4de59115-4ae6-4cf0-a977-e39bf4c797e0.jpg?v=1755535278","url":"https:\/\/poolsupplydepot.net\/products\/haywardperflex20sqftmodularfilterwclampw3ec40achppw3ec40ac","provider":"Pool Supply Depot","version":"1.0","type":"link"}