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.
Manufactured by Optimum Pool Technologies specifically for replacing the Swim Clear® C-4520 cartridge (Filter PN CX875RE and CX875XRE) and C-4530 cartridge elements.
Outside Diameter: 7”
Replaces: OEM# CX875RE, Unicel®# C-7489, Pleatco®# PA-112, Filbur®# FC-1275
*Includes support bands around each cartridge element.
Note: Four 112 sq. ft. cartridges required.
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