The Unicel C-9404 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-9404 Comp. Pool Filter Cartridge has an outer diameter of 10 inches, with a length of 25 5/16 inches. This Unicel pool filter has an open top and bottom, with the top having a diameter of 5 15/16 inches and the bottom having a diameter of 6 1/16 inches. This Unicel C-9404 filter contains 200 square feet of filter media.