{"title":"Spa Filter Cartridges","description":"\u003ch2\u003e\u003cstrong\u003eSpa Filter Cartridges for Hot Tubs, Spas, and Clean Water Maintenance\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eKeep your spa water clear, comfortable, and easier to maintain with replacement spa filter cartridges from Aqua Terra Backyard. Spa filter cartridges help capture dirt, hair, oils, debris, and fine particles as water moves through the filtration system. Replacing a worn or clogged cartridge can improve water flow, support better circulation, reduce strain on the spa pump, and help your sanitizer work more effectively.\u003c\/p\u003e\n\n\u003cp\u003eWe carry pool and spa filtration products from trusted brands such as \u003ca href=\"\/collections\/filbur-manufacturing\"\u003eFilbur Manufacturing\u003c\/a\u003e, Oncore Filters, \u003ca href=\"\/collections\/unicel\"\u003eUnicel\u003c\/a\u003e, Pleatco, and other leading filter manufacturers. This Spa Filter Cartridges collection focuses on replacement cartridges for compatible hot tubs and spa filtration systems, while our broader filtration categories include additional cartridge filters, grids, filter parts, and maintenance products. You can also browse related categories like \u003ca href=\"\/collections\/filter-cartridges\"\u003eFilter Cartridges\u003c\/a\u003e, \u003ca href=\"\/collections\/filter-parts\"\u003eFilter Parts\u003c\/a\u003e, \u003ca href=\"\/collections\/spa-equipment\"\u003eSpa Equipment\u003c\/a\u003e, \u003ca href=\"\/collections\/spa-pumps\"\u003eSpa Pumps\u003c\/a\u003e, \u003ca href=\"\/collections\/pool-spa-parts\"\u003ePool \u0026amp; Spa Parts\u003c\/a\u003e, \u003ca href=\"\/collections\/pool-filters\"\u003ePool Filters\u003c\/a\u003e, and \u003ca href=\"\/collections\/pool-spa-maintenance\"\u003ePool \u0026amp; Spa Maintenance\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe right spa filter cartridge depends on the exact size and connection style of your existing filter. Before ordering, compare the cartridge length, outside diameter, top and bottom end cap style, thread type, center hole size, square-foot rating, and any part numbers printed on the old cartridge or filter housing. A cartridge can look similar and still be the wrong fit. If you are not sure which spa filter cartridge you need, \u003ca href=\"\/pages\/contact\"\u003econtact Aqua Terra Backyard\u003c\/a\u003e with photos of the old cartridge, the spa brand if known, and any numbers printed on the filter. We can help you narrow down the correct replacement before you buy.\u003c\/p\u003e","products":[{"product_id":"filbur-fc-6425-antimicrobial-spa-filter-cartridge-replacement","title":"Filbur - FC-6425 - Antimicrobial Spa Filter Cartridge Replacement - 4 Pack","description":"\u003cp\u003eFilbur FC-6425 is an antimicrobial spa filter cartridge replacement. It is used for spa water filtration. The title lists compatibility with Hayward CX580RE and includes a pack of four cartridges. A failing filter can reduce water clarity and flow. Replace with FC-6425 and confirm the SKU before ordering.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpa filter cartridge replacement identified by SKU FC-6425\u003c\/li\u003e\n\u003cli\u003eAntimicrobial filter cartridge listed for FC-6425\u003c\/li\u003e\n\u003cli\u003eCompatible with Hayward CX580RE per FC-6425 title\u003c\/li\u003e\n\u003cli\u003ePack of four filter cartridges included with FC-6425\u003c\/li\u003e\n\u003cli\u003eFilbur replacement spa filter referenced as FC-6425\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Fitment\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eDesigned to replace FC-6425 used in compatible pool or spa systems. Intended for Hayward CX580RE spa filter applications. Confirm SKU and specifications before ordering.\u003c\/p\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":51864699601170,"sku":"FC-6425","price":397.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/Filbur_-_FC-6425_-_Antimicrobial_Spa_Filter_Cartridge_Replacement_-_4_Pack.jpg?v=1768536827"},{"product_id":"filbur-manufacturing-52sf-cartridge-jacuzzi-top-load-w-2-mip-sae-fc-2800-sku-fc-2800","title":"Filbur Manufacturing - FC-2800 - Cartridge - Jacuzzi Top Load With 2 In MIP SAE","description":"\u003cdiv\u003e\n\u003ch1\u003eFilbur FC-2800 Jacuzzi Top Load Cartridge (2 In MIP SAE)\u003c\/h1\u003e\n\u003cp\u003eThe Filbur FC-2800 cartridge is a replacement filter designed for Jacuzzi spa top-load filtration systems. It supports spa filtration by trapping particulates to maintain water care and clarity. It features a 2 In MIP SAE connection for compatible installation.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBrand: Filbur Manufacturing\u003c\/li\u003e \u003cli\u003eModel: FC-2800\u003c\/li\u003e \u003cli\u003eFilter Type: Cartridge\u003c\/li\u003e \u003cli\u003eApplication: Jacuzzi Top Load\u003c\/li\u003e \u003cli\u003eConnection: 2 In MIP SAE\u003c\/li\u003e \u003cli\u003eUsage: Spa filtration replacement cartridge\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBrand: Filbur Manufacturing\u003c\/li\u003e \u003cli\u003eModel: FC-2800\u003c\/li\u003e \u003cli\u003eFilter Type: Cartridge\u003c\/li\u003e \u003cli\u003eApplication: Jacuzzi Top Load\u003c\/li\u003e \u003cli\u003eConnection: 2 In MIP SAE\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eUse \u0026amp; Fit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe cartridge is designed for use in Jacuzzi top-load filtration setups and serves as a direct replacement component within spa filtration systems. It supports water care by filtering particulates from spa water. The 2 In MIP SAE connection ensures a secure fit in compatible top-load assemblies.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eWhy Choose Filbur Manufacturing\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFilbur Manufacturing specializes in pool and spa filtration cartridges, offering reliable fit and consistent performance. The FC-2800 cartridge reflects a professional-grade approach to spa filtration components, designed for dependable operation in Jacuzzi top-load systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":51969565393170,"sku":"FC-2800","price":47.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/FMFFC2800_0.jpg?v=1768966709"},{"product_id":"filbur-manufacturing-filbur-mfg-lp-65-sq-ft-cartridge-75sq-leisure-bay-0-fc-2971-sku-fc-2971","title":"Filbur Manufacturing - FC-2971 - Cartridge Filter - 65 Sq Ft Leisure Bay","description":"\u003cdiv\u003e\n\u003ch1\u003eFilbur FC-2971 Cartridge Filter - 65 Sq Ft\u003c\/h1\u003e \u003cp\u003eThe Filbur FC-2971 is a cartridge filter with a 65 sq ft filtration area. It is used in pool filtration systems to capture dirt and debris from circulating water. This filter element supports water care and filtration in pool environments.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBrand: Filbur Manufacturing\u003c\/li\u003e \u003cli\u003eModel: FC-2971\u003c\/li\u003e \u003cli\u003eFilter Type: Cartridge filter element\u003c\/li\u003e \u003cli\u003eFiltration Area: 65 sq ft\u003c\/li\u003e \u003cli\u003eApplication: pool filtration systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBrand: Filbur Manufacturing\u003c\/li\u003e \u003cli\u003eModel: FC-2971\u003c\/li\u003e \u003cli\u003eFiltration Area: 65 sq ft\u003c\/li\u003e \u003cli\u003eProduct Type: Cartridge Filter\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eUse \u0026amp; Fit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis cartridge filter is intended for pool filtration applications and helps remove particulates from circulating water. It fits in standard cartridge filtration housings that accommodate a 65 sq ft cartridge. It is a general-purpose filtration component suitable for water care in residential or commercial pool settings.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eWhy Choose Filbur Manufacturing\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFilbur Manufacturing offers durable, reliable pool filtration components designed to meet everyday filtration needs. Their cartridge filters provide consistent fit and performance in pool and spa filtration systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":51969567719698,"sku":"FC-2971","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/FMFFC2971_0.jpg?v=1768966845"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/collections\/spa-filter-cartridges-hot-tub-replacement-filters-aqua-terra-backyard.png?v=1778076063","url":"https:\/\/www.aquaterrabackyard.com\/collections\/spa-filter-cartridges.oembed","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}