The Unicel C-8325 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-8325 Comp. Replacement Pool & Spa Filter has an outer diameter of 8 1/2 inches, with a length of 18 inches. This Unicel pool filter has a closed top with step, and an open bottom with a diameter of 2 1/8 inches. This Unicel C-8325 filter contains 125 square feet of filter media.