{"product_id":"filbur-81-sq-ft-swimclear-c3025-c3030-replacement-cartridge-4-pack-fc-6425","title":"Filbur 81 Sq Ft SwimClear C3025\/C3030 Replacement Cartridge 4-Pack | FC-6425","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Overview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFilbur FC-6425 Replacement Filter Cartridge 4-Pack\u003c\/strong\u003e is designed for compatible \u003cstrong\u003eHayward SwimClear C3025 and C3030 cartridge filters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach cartridge provides approximately \u003cstrong\u003e81 sq. ft. of filtration area\u003c\/strong\u003e, giving you a complete four-cartridge replacement set for compatible SwimClear filter systems.\u003c\/p\u003e\n\u003cp\u003eFilbur cartridges are engineered for strong dirt-holding capacity, efficient water flow, and dependable service life. The FC-6425 uses \u003cstrong\u003e4 oz. filtration media, molded end caps, and an extruded PVC center core\u003c\/strong\u003e for structural support during demanding pool filtration operation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement set provides a convenient alternative to Hayward OEM \u003cstrong\u003eCX580XRE \/ CX580XREPAK4\u003c\/strong\u003e cartridges without requiring adapters or modifications when used in the correct filter.\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 SwimClear filters at the same time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e81 Sq. Ft. Per Cartridge\u003c\/strong\u003e – Provides the filtration capacity required for the applicable Hayward filter system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 oz. Pool Filtration Media\u003c\/strong\u003e – Designed for dirt-holding capacity and reliable water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC Extruded Core\u003c\/strong\u003e – Provides structural support under normal filtration pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded End Caps\u003c\/strong\u003e – Designed for straightforward installation without additional adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmbossed Filbur Part Numbers\u003c\/strong\u003e – Makes future cartridge identification easier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" Open Top \u0026amp; Bottom\u003c\/strong\u003e – Matches the compatible Hayward-style cartridge configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Aftermarket Replacement\u003c\/strong\u003e – Cross-references common Hayward, Pleatco, and Unicel cartridge numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilbur specifically lists FC-6425 as \u003cstrong\u003e7\" diameter × 19-5\/8\" long with 81 sq. ft. of media per cartridge\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\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-6425\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\u003e81 Sq. Ft. Per Cartridge\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\u003e19-5\/8\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTop Opening\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\" Open\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBottom Opening\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\" Open\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 oz.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCore Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtruded PVC\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\u003eCX580XRE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprox. Pack Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e17.7 lbs\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15\" × 15\" × 20.5\"\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\u003e645544064257\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\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatible Hayward Filters\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFilbur FC-6425\u003c\/strong\u003e is commonly used with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHayward SwimClear C3025\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHayward SwimClear C3030\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompatible C3020 applications using CX580XRE cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHayward's current C3030 manual specifies \u003cstrong\u003eCX580XRE\u003c\/strong\u003e, with \u003cstrong\u003efour cartridges required\u003c\/strong\u003e, confirming the replacement architecture used by FC-6425. \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\u003cp\u003eThe FC-6425 cross-references several commonly used replacement cartridge numbers:\u003c\/p\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\u003eHayward\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCX580XRE \/ CX580-XRE\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\u003eCX580XREPAK4\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-1225\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePleatco\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePA81 \/ PA81-PAK4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnicel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eC-7483\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\u003eThese cross-references are supported by Filbur's own catalog and current replacement-filter data. \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 FC-6425 cartridge measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7\" Outside Diameter\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e19-5\/8\" Length\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e3\" Open Top\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e3\" Open Bottom\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways compare the dimensions and existing cartridge number before ordering, especially on older SwimClear filter installations. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Replace All Four Cartridges Together?\u003c\/h2\u003e\n\u003cp\u003eA four-cartridge filter performs best when all elements have similar flow resistance and condition.\u003c\/p\u003e\n\u003cp\u003eReplacing the full set can help provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore balanced water flow\u003c\/li\u003e\n\u003cli\u003eImproved filtration\u003c\/li\u003e\n\u003cli\u003eMore consistent filter pressure\u003c\/li\u003e\n\u003cli\u003eEasier maintenance scheduling\u003c\/li\u003e\n\u003cli\u003eReduced chance of one older cartridge restricting the system\u003c\/li\u003e\n\u003cli\u003eConsistent service life across the complete filter set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cp\u003eFor maximum cartridge life:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClean cartridges when filter pressure rises approximately \u003cstrong\u003e8–10 PSI above clean starting pressure\u003c\/strong\u003e, or according to the filter manufacturer's instructions.\u003c\/li\u003e\n\u003cli\u003eUse a garden hose with a focused spray pattern to clean between pleats.\u003c\/li\u003e\n\u003cli\u003eAvoid damaging the pleated media with excessive pressure.\u003c\/li\u003e\n\u003cli\u003eInspect the end caps, bands, pleats, and center core during each cleaning.\u003c\/li\u003e\n\u003cli\u003eReplace cartridges that are torn, collapsed, cracked, or no longer clean effectively.\u003c\/li\u003e\n\u003cli\u003eKeep pool water chemistry properly balanced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many cartridges come in FC-6425?\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\u003e81 sq. ft. per element\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes FC-6425 fit a Hayward C3030?\u003c\/strong\u003e\u003cbr\u003eYes. It replaces the \u003cstrong\u003eCX580XRE-style cartridges\u003c\/strong\u003e used in compatible C3030 filters. Hayward specifies four CX580XRE cartridges for the C3030. \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 C3025?\u003c\/strong\u003e\u003cbr\u003eYes. FC-6425 is specifically marketed for compatible \u003cstrong\u003eC3025\/C3030 SwimClear systems\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 a genuine Hayward cartridge?\u003c\/strong\u003e\u003cbr\u003eNo. This is a \u003cstrong\u003eFilbur aftermarket replacement cartridge set\u003c\/strong\u003e manufactured to fit compatible Hayward filtration equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the OEM Hayward cross reference?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCX580XRE\u003c\/strong\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 which cartridge set fits your filter, send us the \u003cstrong\u003efilter model number or existing cartridge part number\u003c\/strong\u003e and our team can help confirm compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder the Filbur 81 Sq Ft SwimClear C3025\/C3030 Replacement Cartridge 4-Pack | FC-6425 from Pool Supply Depot today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Filbur Pool and Spa","offers":[{"title":"Default Title","offer_id":54578844205366,"sku":"FC-6425","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/OIP_c9b6a0f5-6c64-434c-96a0-97b4e4db8bcd.jpg?v=1789600379","url":"https:\/\/poolsupplydepot.net\/products\/filbur-81-sq-ft-swimclear-c3025-c3030-replacement-cartridge-4-pack-fc-6425","provider":"Pool Supply Depot","version":"1.0","type":"link"}