{"product_id":"filbur-clean-clear-plus-520-replacement-cartridge-4-pack-fc-6475","title":"Filbur Clean \u0026 Clear Plus 520 Replacement Cartridge 4-Pack | FC-6475","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-6475 Replacement Cartridge 4-Pack\u003c\/strong\u003e is a complete replacement filter set designed for compatible \u003cstrong\u003ePentair Clean \u0026amp; Clear Plus 520\u003c\/strong\u003e cartridge filters.\u003c\/p\u003e\n\u003cp\u003eEach cartridge is rated by Filbur at approximately \u003cstrong\u003e125 sq. ft. of filtration area\u003c\/strong\u003e, providing a complete four-cartridge replacement set for the 520 sq. ft. Clean \u0026amp; Clear Plus filter family.\u003c\/p\u003e\n\u003cp\u003eFilbur cartridges are engineered for dependable dirt-holding capacity, efficient water flow, and long service life. The FC-6475 uses \u003cstrong\u003e4 oz. filtration media, molded end caps, and PVC extruded center cores\u003c\/strong\u003e designed to maintain cartridge strength under normal pool-filtration pressure. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis four-pack is the Filbur quad-pack equivalent of the individual \u003cstrong\u003eFC-1978\u003c\/strong\u003e cartridge and cross-references common Pentair, Pleatco, and Unicel replacements used in the Clean \u0026amp; Clear Plus 520. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\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 a compatible Clean \u0026amp; Clear Plus 520 filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e125 Sq. Ft. Per Cartridge\u003c\/strong\u003e – Filbur’s current manufacturer rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Clean \u0026amp; Clear Plus 520\u003c\/strong\u003e – Specifically listed by Filbur for this filter family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 oz. Filtration Media\u003c\/strong\u003e – Designed for effective dirt capture and reliable water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC Extruded Center Cores\u003c\/strong\u003e – Provides structural support during filtration.\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 Part Numbers\u003c\/strong\u003e – Helps make future cartridge identification easier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Filter Refresh\u003c\/strong\u003e – Replacing the entire set helps maintain balanced hydraulic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Replacement\u003c\/strong\u003e – Quality Filbur alternative to OEM Pentair cartridges. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\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-6475\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\u003eFilbur-Rated Filtration Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e125 Sq. Ft. Per Cartridge\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Filter Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePentair Clean \u0026amp; Clear Plus 520\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\u003eApprox. \u003cstrong\u003e32-1\/16\"\u003c\/strong\u003e\n\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\u003eApprox. Package Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e26.9 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\" × 33\"\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\u003e645544064752\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 Filter Applications\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFC-6475\u003c\/strong\u003e is designed primarily for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePentair Clean \u0026amp; Clear Plus 520\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompatible Pentair\/PacFab Clean \u0026amp; Clear Plus 520 installations\u003c\/li\u003e\n\u003cli\u003eSelect Waterway applications using the same cartridge dimensions and cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePentair confirms the Clean \u0026amp; Clear Plus 520 uses \u003cstrong\u003efour R173578 cartridges\u003c\/strong\u003e. \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-6475\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-1978\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePentair\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR173578 \/ 178585\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\u003ePCC130 \/ PCC130-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-7472 \/ C-7472-4\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 FC-1978 product page directly cross-references \u003cstrong\u003eUnicel C-7472\u003c\/strong\u003e and \u003cstrong\u003ePleatco PCC130\u003c\/strong\u003e for the Clean \u0026amp; Clear Plus 520. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e125 Sq Ft vs. 130 Sq Ft Naming\u003c\/h2\u003e\n\u003cp\u003eYou’ll see this cartridge marketed both ways online.\u003c\/p\u003e\n\u003cp\u003eMany distributors refer to the FC-6475 as a \u003cstrong\u003e130 sq. ft. cartridge\u003c\/strong\u003e, largely because the Pleatco cross-reference is \u003cstrong\u003ePCC130\u003c\/strong\u003e. However, \u003cstrong\u003eFilbur’s own current catalog rates FC-6475 at 125 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\u003eFor your Shopify listing, I would use:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTitle:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFilbur 130 Sq Ft Clean \u0026amp; Clear Plus 520 Cartridge 4-Pack | FC-6475\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThen in the specifications, use:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer-Rated Media Area: 125 Sq Ft Per Cartridge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThat keeps you aligned with how customers search while still keeping the technical data accurate.\u003c\/p\u003e\n\u003ch2\u003eWhy Replace All Four Cartridges Together?\u003c\/h2\u003e\n\u003cp\u003eReplacing all four filter cartridges at the same time can help provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBalanced water flow\u003c\/li\u003e\n\u003cli\u003eConsistent filter pressure\u003c\/li\u003e\n\u003cli\u003eEven debris loading\u003c\/li\u003e\n\u003cli\u003eSimilar cartridge service life\u003c\/li\u003e\n\u003cli\u003eImproved overall filtration\u003c\/li\u003e\n\u003cli\u003eEasier maintenance scheduling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA mixed set of old and new cartridges can create uneven 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 cartridges thoroughly with a garden hose.\u003c\/li\u003e\n\u003cli\u003eClean carefully between individual pleats.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive high-pressure spray that can damage the 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\u003eUse an appropriate cartridge cleaner when oils or mineral deposits are present.\u003c\/li\u003e\n\u003cli\u003eMaintain proper pool-water chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many cartridges come with FC-6475?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFour cartridges\u003c\/strong\u003e are included. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes FC-6475 fit the Pentair Clean \u0026amp; Clear Plus 520?\u003c\/strong\u003e\u003cbr\u003eYes. Filbur specifically identifies FC-6475 for the \u003cstrong\u003eClean \u0026amp; Clear Plus 520\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it 125 or 130 sq. ft.?\u003c\/strong\u003e\u003cbr\u003eFilbur’s own current specifications rate it at \u003cstrong\u003e125 sq. ft. per cartridge\u003c\/strong\u003e, although many distributor listings market the same cartridge family as 130 sq. ft. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Pentair cross-reference?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eR173578 \/ 178585\u003c\/strong\u003e. Pentair lists four R173578 cartridges for the Clean \u0026amp; Clear Plus 520. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Pleatco equivalent?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePCC130 \/ PCC130-PAK4\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Unicel equivalent?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eC-7472\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-6475\u003c\/strong\u003e fits your filter, send us the \u003cstrong\u003efilter model number 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 Clean \u0026amp; Clear Plus 520 Replacement Cartridge 4-Pack | FC-6475 from Pool Supply Depot today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Filbur Pool and Spa","offers":[{"title":"Default Title","offer_id":54578903744822,"sku":"FC-6475","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/FBM-051-6475_medium_5e3a6968-6d76-476d-8f48-a1f5a771570c.jpg?v=1789605351","url":"https:\/\/poolsupplydepot.net\/products\/filbur-clean-clear-plus-520-replacement-cartridge-4-pack-fc-6475","provider":"Pool Supply Depot","version":"1.0","type":"link"}