The Unicel C-5399 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-5399 Comp. Pool Water Filter Cartridge has an outer diameter of 5 7/8 inches, with a length of 25 3/4 inches. This Unicel pool filter has a closed top with a crescent handle, and an open bottom with a Male Slip style connector. This Unicel C-5399 filter contains 100 square feet of filter media.