The Unicel C-4326RA R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-4326RA Comp. Pool Filter Cartridge has an outer diameter of 4 15/16 inches, with a length of 13 15/16 inches. This Unicel spa filter has an open top and bottom with both having diameters of 2 1/8 inches. This Unicel C-4326RA filter contains 25 square feet of Microban antimicrobial filter media.