Pool Filter Replacement 4 Pack for Swim Clear C4020 C-4025 C4030

Optimum Pool Technologies Swimming Pool Filter Cartridge Replacements are Made in USA with high quality filtration media that was made specifically for durability and cleanability. Each filter cartridge includes support bands around each cartridge element. Pool Filters. The Inside Diameter of each filter cartridge is 3 inch, the Outside Diameter of each filter cartridge is 7, and the Length of each filter cartridge is 25-1/2. These filter cartridges are designed to directly replace the following part numbers: OEM# CX-870, CX870RE, CX870XRE, CX880RE, CX880XRE, 880, Unicel# C-7487, C-7487-4, C-7488, C-7488RA Pleatco# PA100N, PA100N-4, PA100N-M, PA100N-PAK4, PA-106, PA106-M, PA106-4, PA106-PAK4, PA112, PA112-4, PA112-M, Filbur# FC-1226, FC-1226M, FC-1270, FC-1275, FC-6430, FC-6445, Aladdin# 20601, 19902