The Unicel C-7698 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-7698 Comp. Pool Filter Cartridge - C-1000 has an outer diameter of 7 inches, with a length of 29 3/8 inches. This Unicel pool filter has an open top and bottom with both having diameters of 3 inches. This Unicel C-7698 filter contains 100 square feet of filter media.