{"product_id":"filbur-131-sq-ft-swimclear-c5025-c5030-replacement-cartridge-4-pack-fc-6435","title":"Filbur 131 Sq Ft SwimClear C5025\/C5030 Replacement Cartridge 4-Pack | FC-6435","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Overview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFilbur FC-6435 Replacement Cartridge 4-Pack\u003c\/strong\u003e is designed for compatible \u003cstrong\u003eHayward SwimClear C5025 and C5030 cartridge filters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach cartridge provides approximately \u003cstrong\u003e131 sq. ft. of filtration area\u003c\/strong\u003e, giving you a complete four-cartridge replacement set for the compatible 525 sq. ft. SwimClear filter system.\u003c\/p\u003e\n\u003cp\u003eFilbur cartridges are engineered for dependable dirt-holding capacity, strong water flow, and long service life. The FC-6435 quad pack provides a convenient aftermarket replacement for the \u003cstrong\u003eHayward CX1280XRE \/ CX1280XREPAK4\u003c\/strong\u003e cartridge set.\u003c\/p\u003e\n\u003cp\u003eThis complete four-pack allows all filter elements to be replaced together for balanced filtration performance and consistent system pressure.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 4-Pack\u003c\/strong\u003e – Replaces all four cartridges in compatible Hayward SwimClear filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e131 Sq. Ft. Per Cartridge\u003c\/strong\u003e – Provides approximately 524 sq. ft. total filtration area across the complete set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Hayward Replacement\u003c\/strong\u003e – Cross-references the CX1280XRE cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for C5025 \u0026amp; C5030\u003c\/strong\u003e – Matches the four-cartridge configuration used in these SwimClear models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7\" Diameter\u003c\/strong\u003e – Matches the factory-style cartridge dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32-7\/8\" Length\u003c\/strong\u003e – Designed for proper fit inside compatible filter tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Filtration Media\u003c\/strong\u003e – Engineered for effective debris capture and water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Filter Refresh\u003c\/strong\u003e – Replacing all four cartridges together helps maintain even hydraulic resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Alternative\u003c\/strong\u003e – Provides a Filbur replacement option for Hayward OEM cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFilbur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFC-6435\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReplacement Pool Filter Cartridge Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Cartridges\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e131 Sq. Ft. Per Cartridge\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprox. Total Filtration Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e524 Sq. Ft.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e32-7\/8\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePool \u0026amp; Spa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Filter Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHayward SwimClear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary OEM Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCX1280XRE \/ CX1280RE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM 4-Pack Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCX1280XREPAK4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC \/ GTIN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e645544064356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFilbur directly lists \u003cstrong\u003eFC-6435 at 7\" OD, 32-7\/8\" length, 131 sq. ft., and UPC 645544064356\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatible Hayward Filters\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFilbur FC-6435\u003c\/strong\u003e is designed for compatible Hayward SwimClear filters including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHayward C5025\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHayward C5030\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompatible C5000 \/ C5020 installations using CX1280XRE cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHayward’s own replacement-cartridge documentation identifies \u003cstrong\u003eCX1280XRE\u003c\/strong\u003e for C5000, C5020, C5025, and C5030 filters. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the C5025, Hayward specifies \u003cstrong\u003efour CX1280XRE cartridges\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the C5030, Hayward also specifies \u003cstrong\u003efour CX1280XRE cartridges\u003c\/strong\u003e, or one CX1280XREPAK4 complete set. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eManufacturer\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilbur 4-Pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFC-6435\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHayward Single Cartridge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCX1280XRE \/ CX1280RE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHayward 4-Pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCX1280XREPAK4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilbur Single Cartridge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFC-1227\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePleatco 4-Pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePA131-PAK4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFilbur’s current product data directly cross-references FC-6435 to \u003cstrong\u003eHayward CX1280RE Quad\u003c\/strong\u003e and \u003cstrong\u003ePleatco PA131-PAK4\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eCartridge Dimensions\u003c\/h2\u003e\n\u003cp\u003eEach cartridge measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7\" Outside Diameter\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e32-7\/8\" Length\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e131 Sq. Ft. Filtration Area\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways compare the cartridge dimensions and existing part number before ordering, particularly on older SwimClear installations. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eComplete 525 Sq. Ft. Filter Set\u003c\/h2\u003e\n\u003cp\u003eHayward refers to the C5025\/C5030 family as approximately \u003cstrong\u003e525 sq. ft. filtration systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe four Filbur cartridges provide:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e131 sq. ft. × 4 = approximately 524 sq. ft.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMinor differences in advertised square footage between replacement cartridge manufacturers are normal due to differences in how pleated media area is measured.\u003c\/p\u003e\n\u003cp\u003eThe important compatibility factors are the \u003cstrong\u003ephysical dimensions, cartridge count, and OEM cross-reference\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhy Replace All Four Cartridges Together?\u003c\/h2\u003e\n\u003cp\u003eReplacing the entire cartridge set at the same time helps maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBalanced water flow\u003c\/li\u003e\n\u003cli\u003eSimilar dirt-loading characteristics\u003c\/li\u003e\n\u003cli\u003eConsistent filter pressure\u003c\/li\u003e\n\u003cli\u003eEven filtration performance\u003c\/li\u003e\n\u003cli\u003eEasier maintenance scheduling\u003c\/li\u003e\n\u003cli\u003eSimilar service life among all elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMixing heavily used cartridges with brand-new elements can create uneven hydraulic resistance inside the filter.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cp\u003eFor maximum cartridge life:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse each cartridge thoroughly with a garden hose.\u003c\/li\u003e\n\u003cli\u003eClean carefully between the pleats.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive water pressure that can damage the filtration media.\u003c\/li\u003e\n\u003cli\u003eInspect the center core and end caps during every cleaning.\u003c\/li\u003e\n\u003cli\u003eReplace cartridges that are torn, cracked, collapsed, or permanently clogged.\u003c\/li\u003e\n\u003cli\u003eMaintain proper pool-water chemistry.\u003c\/li\u003e\n\u003cli\u003eFollow Hayward’s recommended cleaning intervals based on filter pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many cartridges are included with FC-6435?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFour cartridges\u003c\/strong\u003e are included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much filtration area does each cartridge have?\u003c\/strong\u003e\u003cbr\u003eApproximately \u003cstrong\u003e131 sq. ft. per cartridge\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes FC-6435 fit the Hayward C5030?\u003c\/strong\u003e\u003cbr\u003eYes. Hayward specifies four \u003cstrong\u003eCX1280XRE\u003c\/strong\u003e cartridges for the C5030, and FC-6435 cross-references that cartridge family. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit the Hayward C5025?\u003c\/strong\u003e\u003cbr\u003eYes. Hayward specifies four \u003cstrong\u003eCX1280XRE\u003c\/strong\u003e cartridges for the C5025 as well. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Hayward OEM cross-reference?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCX1280XRE\u003c\/strong\u003e for the single cartridge and \u003cstrong\u003eCX1280XREPAK4\u003c\/strong\u003e for the four-pack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the cartridge dimensions?\u003c\/strong\u003e\u003cbr\u003eApproximately \u003cstrong\u003e7\" diameter × 32-7\/8\" long\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this genuine Hayward?\u003c\/strong\u003e\u003cbr\u003eNo. This is a \u003cstrong\u003eFilbur aftermarket replacement cartridge set\u003c\/strong\u003e designed for compatible Hayward SwimClear filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the UPC?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e645544064356\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Buy From Pool Supply Depot?\u003c\/h2\u003e\n\u003cp\u003ePool Supply Depot supplies replacement filter cartridges, complete filters, pumps, heaters, automation systems, salt systems, lighting, and OEM and aftermarket pool equipment nationwide.\u003c\/p\u003e\n\u003cp\u003eIf you're unsure whether \u003cstrong\u003eFC-6435\u003c\/strong\u003e fits your filter, send us the \u003cstrong\u003eHayward filter model or the part number printed on the existing cartridge\u003c\/strong\u003e, and our team can help verify compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder the Filbur 131 Sq Ft SwimClear C5025\/C5030 Replacement Cartridge 4-Pack | FC-6435 from Pool Supply Depot today.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Filbur Pool and Spa","offers":[{"title":"Default Title","offer_id":54578885230902,"sku":"FC-6435","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/OIP_48bec95b-f242-4d9c-875a-506accdbe54f.jpg?v=1789603182","url":"https:\/\/poolsupplydepot.net\/products\/filbur-131-sq-ft-swimclear-c5025-c5030-replacement-cartridge-4-pack-fc-6435","provider":"Pool Supply Depot","version":"1.0","type":"link"}