The UNICEL C-7450 R is the compatible replacement for the following pool and spa filters:
The Unicel C-7450 Comp. Pool & Spa Filter Cartridge has an outer diameter of 7 inches, and a length of 19 5/8 inches. This Unicel Pool Filter has a 3 inch open top and bottom. This Unicel C-7450 filter contains 50 square feet of Reemay spunbound polyester pleated filter media.