Pool Filter 4 Pack Replacement for Swim Clear C-5020; 500 SQ. FT. Cartridge Elements Made with 100% Reemay, a spunbond polyester filtration media that was made specifically for durability and antimicrobial protection. Replaces Hayward Swim Clear C-5020 filter cartridge, also replaces Hayward Super Star Clear 5000 filter cartridge Outside Diameter: 7 Length: 32 13/16 OEM# CX1260RE, Unicel# C-7495, Filbur# FC-1296, Pleatco# PA-126 Includes support bands around each cartridge element.