Cartridge Set (4PK) Replacement Fits SwimClear® C-4520 by Optimum Pool Technologies

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This complete set of 4 filter cartridge elements is proudly made in the USA with 100% Reemay® filtration media by Optimum Pool Technologies (OPT) who offers high-quality replacemen t cartridges specifically designed to replace those found in the Swim Clear® C-4520 pool filter. These filter cartridges each contain 112 square feet of pleat material in each cartridge, totaling 448 square feet of filtration. We guarantee compatibility with your filtration system!Only need to replace 1 cartridge? We also offer a single Optimum Pool Tech. replacement pool filter cartridge for the Swim Clear® C-4520 filter tank. Features: Made in USA with 100% Reemay® filtration media that was made specifically for durability and cleanability. Replaces Part: OEM# CX875RE, CX875REM Unicel®# C-7489, Pleatco® # PA112, PA112-4 Filbur® # FC-1275 Length: 25-1/2" Outside Diameter: 7" Inside Diameter: 3" Used with Hayward® Swim Clear® C4500, C4520, C-4520 Cartridge Filter Includes support bands around each cartridge element. Four 112 sq. ft. cartridges required. Show more