Unicel 25 sq. ft. Replacement Filter Cartridge | C-4625 Filters match the part number printed

match the part number printed on the transformer body itself against 521233 before ordering

providing the sealed chamber that captures debris before water reaches the impeller

000 gallons once a month

Choose from a variety of finishes to upgrade the look of your in ground oasis

Control your pool/spa functions and programming from inside your home

Unicel 25 sq. ft. Replacement Filter Cartridge | C-4625 Filters match the part number printedThe Unicel C 4625 is a 4000 Series 25 sq. ft. replacement filter cartridge engineered to exact OEM dimensions for a precision fit. Built with 4 oz. Reemay 2040 a heavier weight filter media than the standard 3 oz. construction this 106 pleat cartridge delivers superior dirt holding capacity and extended service life between cleanings. Specifications Filter Area 25 sq. ft. Length 13 5 16" Outer Diameter 4 15 16" Top Inner Diameter 2 1 8" Bottom Inner