{"product_id":"unicelreplacementfiltercartridge25sfrainbowinlinec4625unfc4625","title":"Unicel Replacement Filter Cartridge 25 sf Rainbow In-Line | C-4625","description":"\u003cdiv\u003e\n\u003ch2\u003eUnicel C-4625 25 sq ft Replacement Pool\/Spa Filter Cartridge\u003c\/h2\u003e\n\u003cp\u003eThe Unicel C-4625 is a compact replacement filter cartridge designed for spas, hot tubs, and small pool filtration systems. It provides 25 square feet of pleated filtration media to trap debris and help maintain clean, clear water in smaller systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25 sq ft of pleated polyester media for efficient fine-particle filtration.\u003c\/li\u003e\n\u003cli\u003eOpen-end design for simple installation and removal.\u003c\/li\u003e\n\u003cli\u003eDurable polyester construction designed for repeated cleaning.\u003c\/li\u003e\n\u003cli\u003eChemical-resistant materials suitable for chlorinated or bromine spa environments.\u003c\/li\u003e\n\u003cli\u003eCompact size ideal for spas, hot tubs, and small pool applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Unicel\u003c\/li\u003e\n\u003cli\u003ePart Number: C-4625\u003c\/li\u003e\n\u003cli\u003eFiltration Area: 25 square feet\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: Approx. 4-15\/16\"\u003c\/li\u003e\n\u003cli\u003eLength: Approx. 13-5\/16\"\u003c\/li\u003e\n\u003cli\u003eOpenings: Approx. 2-1\/8\" inner diameter (top and bottom)\u003c\/li\u003e\n\u003cli\u003eMedia: Pleated polyester\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cp\u003eReplace when water clarity decreases, system pressure increases, or the cartridge shows signs of wear such as collapsed pleats or damaged end caps. Regular replacement helps maintain proper circulation and filtration in spa or small pool systems.\u003c\/p\u003e\n\u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse regularly to remove trapped debris.\u003c\/li\u003e\n\u003cli\u003eDeep-clean periodically with a cartridge-safe cleaner to remove oils and sunscreen buildup.\u003c\/li\u003e\n\u003cli\u003eInspect pleats and ends each time you clean the filter.\u003c\/li\u003e\n\u003cli\u003eKeep a spare on hand to rotate filters and extend service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797792084143,"sku":"C-4625","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-25-sf-rainbow-in-line-c-4625-cartridges-3385697.jpg?v=1777067401","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge25sfrainbowinlinec4625unfc4625","provider":"Freshized","version":"1.0","type":"link"}