The Unicel C-5351 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-5351 Comp. Replacement Pool Water Filter has an outer diameter of 5 5/16 inches, with a length of 30 1/8 inches. This Unicel pool filter has an open top and bottom with both having a diameter of 2 1/8 inches. This Unicel C-5351 filter contains 150 square feet of filter media.