{"product_id":"unicelreplacementfiltercartridge85sfrainbowchloroc2303unfc2303","title":"Unicel Replacement Filter Cartridge 8.5 sf Rainbow Chloro | C-2303","description":"\u003cdiv\u003e\n\u003ch1\u003eUnicel C-2303 Replacement Cartridge Filter (8.5 sq ft)\u003c\/h1\u003e\n\u003cp\u003ePart # C-2303 — a high-quality replacement cartridge from Unicel designed for spa and small pool filtration systems. This compact filter element provides approximately 8.5 square feet of pleated filtration media to maintain clean, clear water in low-volume systems.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApproximate dimensions: 17 1\/16″ length × 2 7\/8″ outer diameter.\u003c\/li\u003e\n\u003cli\u003eBoth ends open with an inner diameter of approximately 2 1\/8″ for easy drop-in installation.\u003c\/li\u003e\n\u003cli\u003eProvides about 8.5 sq ft of filtration area with 150 pleats for efficient debris capture.\u003c\/li\u003e\n\u003cli\u003eDurable polyester filtration media engineered for long-term chemical and pressure resistance.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for several OEM cartridges used in compact spa and hot-tub filtration systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eThis cartridge is ideal for spas, hot tubs, and small pool systems that use a compact cartridge filter element. It is typically replaced when pressure increases, water clarity drops, or pleats show signs of wear or deformation.\u003c\/p\u003e\n\u003ch2\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h2\u003e\n\u003cp\u003eTurn off the pump and relieve system pressure before opening the filter housing. Remove the old cartridge and clean any debris from inside the tank. Insert the new Unicel C-2303 cartridge, ensuring correct seating and alignment on the filter manifold. Reassemble the housing and verify proper flow and pressure once the system is restarted.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose This Cartridge?\u003c\/h2\u003e\n\u003cp\u003eThe Unicel C-2303 offers dependable performance in a compact size, making it suitable for tight equipment spaces. Its strong pleat structure and quality filtration media help extend service intervals and maintain consistently clear water.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the cartridge every 4–6 weeks or when system pressure rises noticeably above the clean starting level.\u003c\/li\u003e\n\u003cli\u003eUse a gentle hose spray to clean between pleats; avoid high-pressure sprayers that may damage the media.\u003c\/li\u003e\n\u003cli\u003ePerform an annual deep-clean soak using a cartridge cleaner to remove oils and fine debris.\u003c\/li\u003e\n\u003cli\u003eInspect for cracked end caps, torn pleats, or softened media; replace the cartridge if any damage is observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797803258031,"sku":"C-2303","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-85-sf-rainbow-chloro-c-2303-cartridges-1681956.jpg?v=1777067540","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge85sfrainbowchloroc2303unfc2303","provider":"Freshized","version":"1.0","type":"link"}