The Unicel C-4335RA R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-4335RA Comp. Replacement Pool Filter has an outer diameter of 4 15/16 inches, with a length of 9 1/4 inches. This Unicel spa filter has an open top and bottom with both having diameters of 2 1/8 inches. This Unicel C-4335RA filter contains 35 square feet of Microban antimicrobial filter media.