{"product_id":"hayward-w3ec40ac-20-sqft-perflex-d-e-filter","title":"Hayward W3EC40AC 20 SQFt. Perflex D.E. Filter","description":"\u003cdiv class=\"atb-product-description\"\u003e\n  \u003cstyle\u003e\n    .atb-product-description {\n      font-family: Arial, Helvetica, sans-serif;\n      color: #263746;\n      line-height: 1.65;\n      max-width: 100%;\n    }\n\n    .atb-product-description * {\n      box-sizing: border-box;\n    }\n\n    .atb-product-description h2,\n    .atb-product-description h3 {\n      color: #0b5f73;\n      margin-top: 0;\n    }\n\n    .atb-product-description h2 {\n      font-size: 28px;\n      line-height: 1.25;\n      margin-bottom: 12px;\n    }\n\n    .atb-product-description h3 {\n      font-size: 21px;\n      margin-bottom: 10px;\n    }\n\n    .atb-product-description p {\n      margin: 0 0 16px;\n    }\n\n    .atb-hero {\n      background: linear-gradient(135deg, #eefbfc 0%, #f7fafc 100%);\n      border: 1px solid #b8dfe5;\n      border-left: 6px solid #0f8fa3;\n      border-radius: 12px;\n      padding: 24px;\n      margin-bottom: 24px;\n    }\n\n    .atb-badge {\n      display: inline-block;\n      background: #0f8fa3;\n      color: #ffffff;\n      font-size: 13px;\n      font-weight: 700;\n      letter-spacing: 0.4px;\n      text-transform: uppercase;\n      padding: 6px 11px;\n      border-radius: 20px;\n      margin-bottom: 12px;\n    }\n\n    .atb-highlight-grid {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 14px;\n      margin: 22px 0;\n    }\n\n    .atb-highlight {\n      background: #ffffff;\n      border: 1px solid #d8e6e9;\n      border-radius: 10px;\n      padding: 17px;\n      text-align: center;\n      box-shadow: 0 2px 7px rgba(21, 64, 77, 0.06);\n    }\n\n    .atb-highlight strong {\n      display: block;\n      color: #0b5f73;\n      font-size: 16px;\n      margin-bottom: 4px;\n    }\n\n    .atb-section {\n      border: 1px solid #d9e4e7;\n      border-radius: 12px;\n      padding: 22px;\n      margin-bottom: 22px;\n      background: #ffffff;\n    }\n\n    .atb-list {\n      margin: 0;\n      padding-left: 20px;\n    }\n\n    .atb-list li {\n      margin-bottom: 9px;\n    }\n\n    .atb-spec-table {\n      width: 100%;\n      border-collapse: collapse;\n      margin-top: 12px;\n    }\n\n    .atb-spec-table th,\n    .atb-spec-table td {\n      border: 1px solid #d5e1e4;\n      padding: 12px 14px;\n      text-align: left;\n      vertical-align: top;\n    }\n\n    .atb-spec-table th {\n      width: 34%;\n      color: #0b5f73;\n      background: #edf7f8;\n      font-weight: 700;\n    }\n\n    .atb-answer-box {\n      background: #fff8ec;\n      border: 1px solid #f0c67b;\n      border-left: 5px solid #e58a22;\n      border-radius: 10px;\n      padding: 18px;\n      margin-top: 18px;\n    }\n\n    .atb-answer-box strong {\n      color: #9b5100;\n    }\n\n    .atb-note {\n      background: #f4f7f8;\n      border-radius: 10px;\n      padding: 17px;\n      font-size: 14px;\n      margin-top: 18px;\n    }\n\n    .atb-check {\n      color: #0f8fa3;\n      font-weight: 700;\n    }\n\n    @media (max-width: 700px) {\n      .atb-highlight-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .atb-product-description h2 {\n        font-size: 24px;\n      }\n\n      .atb-spec-table th,\n      .atb-spec-table td {\n        display: block;\n        width: 100%;\n      }\n\n      .atb-spec-table th {\n        border-bottom: 0;\n      }\n    }\n  \u003c\/style\u003e\n\n  \u003cdiv class=\"atb-hero\"\u003e\n    \u003cspan class=\"atb-badge\"\u003eHayward Perflex D.E. Pool Filter\u003c\/span\u003e\n\n    \u003ch2\u003e\n      Hayward W3EC40AC Perflex 20 Sq. Ft. Extended-Cycle D.E. Pool Filter\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eHayward W3EC40AC Perflex D.E. Filter\u003c\/strong\u003e provides\n      exceptionally clear pool water in a compact, easy-to-maintain design.\n      Built for residential above-ground pools, this 20-square-foot\n      diatomaceous earth filter uses Hayward's proven\n      \u003cstrong\u003eFlex-Tube filtration system\u003c\/strong\u003e to capture extremely fine\n      dirt, debris and suspended particles that may pass through less precise\n      filtration systems.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Unlike a traditional D.E. filter that requires routine backwashing, the\n      Perflex design uses an integrated bump handle to flex the internal tubes,\n      redistribute the D.E. coating and help extend the filtration cycle. This\n      provides powerful D.E. filtration with less water waste and a simple\n      maintenance process.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-highlight-grid\"\u003e\n    \u003cdiv class=\"atb-highlight\"\u003e\n      \u003cstrong\u003e20 Sq. Ft. Filtration Area\u003c\/strong\u003e\n      Designed for residential above-ground swimming pools\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"atb-highlight\"\u003e\n      \u003cstrong\u003eFlex-Tube Technology\u003c\/strong\u003e\n      Captures fine particles for exceptionally clear water\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"atb-highlight\"\u003e\n      \u003cstrong\u003eNo Routine Backwashing\u003c\/strong\u003e\n      Bump-style regeneration helps extend each filtration cycle\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eWhy Choose the Hayward W3EC40AC Perflex Filter?\u003c\/h3\u003e\n\n    \u003cp\u003e\n      The W3EC40AC combines the water clarity of D.E. filtration with a\n      straightforward, space-saving filter design. Water enters the filter and\n      passes through D.E.-coated Flex-Tubes, where fine contaminants are\n      captured before clean water returns to the pool.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      As debris builds up, the bump handle can be operated to flex the tubes and\n      redistribute the D.E. powder. This process, known as regeneration, can\n      restore flow and extend the filter cycle without immediately opening the\n      tank or performing a conventional backwash.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"atb-answer-box\"\u003e\n      \u003cstrong\u003eWhat makes a Perflex filter different?\u003c\/strong\u003e\u003cbr\u003e\n      A Hayward Perflex filter uses flexible tubular filter elements instead of\n      traditional D.E. grids. The built-in bump mechanism flexes these tubes and\n      redistributes the D.E. coating, helping restore filtration performance\n      between full cleanings.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eKey Features\u003c\/h3\u003e\n\n    \u003cul class=\"atb-list\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Genuine \u003cstrong\u003eHayward W3EC40AC Perflex pool filter\u003c\/strong\u003e\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Provides \u003cstrong\u003e20 square feet of effective filtration area\u003c\/strong\u003e\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Uses D.E. filter media to capture very fine pool contaminants\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Patented Flex-Tube elements deliver high-quality water filtration\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Integrated bump handle helps regenerate the D.E. coating\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Extended-cycle design reduces the need for frequent complete cleanings\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Does not require a traditional multiport backwash valve\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Compact vertical design helps conserve equipment-pad space\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Heavy-duty clamp provides access to the internal filter assembly\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cspan class=\"atb-check\"\u003e✓\u003c\/span\u003e\n        Designed for residential above-ground pool applications\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eHayward W3EC40AC Specifications\u003c\/h3\u003e\n\n    \u003ctable class=\"atb-spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eManufacturer\u003c\/th\u003e\n          \u003ctd\u003eHayward\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eModel Number\u003c\/th\u003e\n          \u003ctd\u003eW3EC40AC\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eProduct Series\u003c\/th\u003e\n          \u003ctd\u003eHayward Perflex Extended-Cycle\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eFilter Type\u003c\/th\u003e\n          \u003ctd\u003eDiatomaceous earth pool filter\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eFiltration Area\u003c\/th\u003e\n          \u003ctd\u003e20 square feet\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eDesign Flow Rate\u003c\/th\u003e\n          \u003ctd\u003e40 gallons per minute\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003e8-Hour Turnover\u003c\/th\u003e\n          \u003ctd\u003eUp to 19,200 gallons\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003e10-Hour Turnover\u003c\/th\u003e\n          \u003ctd\u003eUp to 24,000 gallons\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eD.E. Media Requirement\u003c\/th\u003e\n          \u003ctd\u003e4 pounds\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eFilter Element Type\u003c\/th\u003e\n          \u003ctd\u003eHayward Flex-Tube element assembly\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eTank Closure\u003c\/th\u003e\n          \u003ctd\u003eClamp-style closure\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003ePool Type\u003c\/th\u003e\n          \u003ctd\u003eResidential above-ground pool\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eValve Included\u003c\/th\u003e\n          \u003ctd\u003eNo multiport valve required or included\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003ePump Included\u003c\/th\u003e\n          \u003ctd\u003eNo, filter only\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eHow the Perflex Bump Handle Works\u003c\/h3\u003e\n\n    \u003cp\u003e\n      When the filter pressure rises and water flow begins to decrease, the\n      circulation pump is turned off and the bump handle is operated according\n      to Hayward's instructions. This flexes the internal tubes, loosens the\n      accumulated D.E. and debris, and redistributes the filter media across the\n      elements.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Regenerating the filter can help restore flow and extend the current\n      filtration cycle. When bumping no longer produces an adequate reduction\n      in pressure, the filter should be drained, cleaned and recharged with the\n      correct amount of fresh D.E. media.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"atb-note\"\u003e\n      \u003cstrong\u003eImportant:\u003c\/strong\u003e Always shut off the pump, disconnect power and\n      fully relieve system pressure before operating, opening, draining or\n      servicing a pool filter. Follow the Hayward owner's manual for the proper\n      bump, cleaning and D.E. recharge procedures.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eIs the Hayward W3EC40AC a cartridge filter?\u003c\/strong\u003e\u003cbr\u003e\n      No. It is a D.E. filter that uses flexible tubular elements coated with\n      diatomaceous earth filter media. It does not use a replaceable pleated\n      cartridge.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eHow much D.E. does the W3EC40AC require?\u003c\/strong\u003e\u003cbr\u003e\n      The filter requires approximately \u003cstrong\u003e4 pounds of D.E. media\u003c\/strong\u003e\n      when initially charged or after a complete cleaning.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eDoes this filter need to be backwashed?\u003c\/strong\u003e\u003cbr\u003e\n      The Perflex design does not use a conventional multiport backwash valve.\n      The internal elements are regenerated with the bump handle, and the filter\n      is periodically drained and cleaned when regeneration no longer restores\n      normal pressure and flow.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eWhat size pool can the Hayward W3EC40AC handle?\u003c\/strong\u003e\u003cbr\u003e\n      Its rated flow supports up to approximately\n      \u003cstrong\u003e19,200 gallons with an 8-hour turnover\u003c\/strong\u003e or\n      \u003cstrong\u003e24,000 gallons with a 10-hour turnover\u003c\/strong\u003e. Actual sizing\n      should also account for the pump flow rate, plumbing, pool usage and local\n      turnover requirements.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eDoes the W3EC40AC include a pool pump?\u003c\/strong\u003e\u003cbr\u003e\n      No. This listing is for the filter assembly only. A compatible pump,\n      plumbing connections and D.E. filter media are required separately unless\n      specifically stated otherwise.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eIs W3EC40AC the same size as EC40AC?\u003c\/strong\u003e\u003cbr\u003e\n      The W3EC40AC is the open-line version of Hayward's EC40AC 20-square-foot\n      Perflex filter. Always use the complete model number when confirming\n      replacement parts.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eWhat Is Included?\u003c\/h3\u003e\n\n    \u003cul class=\"atb-list\"\u003e\n      \u003cli\u003eHayward W3EC40AC Perflex filter assembly\u003c\/li\u003e\n      \u003cli\u003eInternal Flex-Tube element assembly\u003c\/li\u003e\n      \u003cli\u003eBump-handle mechanism\u003c\/li\u003e\n      \u003cli\u003eClamp-style tank closure\u003c\/li\u003e\n      \u003cli\u003ePressure gauge and applicable factory-installed filter components\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cdiv class=\"atb-note\"\u003e\n      \u003cstrong\u003eNot included:\u003c\/strong\u003e Pool pump, D.E. filter powder, hoses,\n      plumbing adapters and installation labor unless expressly shown or stated\n      elsewhere in the listing.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-section\"\u003e\n    \u003ch3\u003eInstallation and Sizing Reminder\u003c\/h3\u003e\n\n    \u003cp\u003e\n      Position the filter on a solid, level surface with enough clearance to\n      reach the bump handle, pressure gauge, drain and tank clamp. The pump\n      selected for the system should not exceed the filter's rated flow or\n      pressure limits.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      For the best results, confirm the pool volume, required turnover rate,\n      pump performance and plumbing size before installation. Improperly sized\n      pumps can reduce filtration performance or place unnecessary stress on\n      the filter system.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"atb-note\"\u003e\n    \u003cstrong\u003ePlease verify your application before ordering.\u003c\/strong\u003e The\n    W3EC40AC is a 20-square-foot Hayward Perflex D.E. filter intended primarily\n    for residential above-ground pools. Compare the model number, flow\n    requirements and existing plumbing before replacing an older filter.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52357658771730,"sku":"W3EC40AC","price":614.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/W3EC40AC.jpg?v=1780930919","url":"https:\/\/www.aquaterrabackyard.com\/products\/hayward-w3ec40ac-20-sqft-perflex-d-e-filter","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}