Unicel 4 New C-7468 PJAN115 FC-0810 Pool Filter Replacement Cartridge CL460 4) NEW Unicel C 7468 Replacement Cartridges Replaces: Unicel C 7468 / Filbur FC 0810 / Pleatco PJAN115 Length: 26 15/16" Top Hole Dimension: 3" Bottom Hole Dimension: 3"