The Unicel C-5397 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-5397 Comp. Pool & Spa Filter Cartridge has an outer diameter of 5 5/16 inches, with a length of 17 3/4 inches. This Unicel pool filter has an open top and bottom with both having a diameter of 2 1/8 inches. This Unicel C-5397 filter contains 100 square feet of filter media.