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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Filtration Area: ~115 sq ft
Common replacement for worn
Nominal filtration area: 52 sq ft (often listed in the 52–55 sq ft class depending on catalog)
Easy “one‑box” solution to perform full wet‑end seal maintenance after motor replacement or when servicing the pump housing
leak-free connections and system operation
Unicel Replacement Filter Cartridge 25 sf Freeflow Spas CLX | 4CH-23 Free 300 Gift Card Filtration Area: ~115 sq ftUnicel 4CH 23 Replacement Spa Filter Cartridge (Top Load Style) The Unicel 4CH 23 is a replacement pleated spa filter cartridge designed for select hot tub and spa filtration systems that use this specific cartridge style and fitment. Replacing a worn or damaged cartridge helps restore circulation, improves water clarity, and reduces strain on spa pumps and heaters. Key Features Replacement spa cartridge filter for compatible filter canisters Pleated
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