The UNICEL C-4325 R is the compatible replacement for the following pool and spa filters:
The Unicel C-4325 Comp. Pool & Spa Filter Cartridge has an outer diameter of 4 15/16 inches, and a length of 11 7/8 inches. This Unicel Pool Filter has a 2 1/8 inch open top and bottom. This Unicel C-4325 filter contains 25 square feet of Reemay spunbound polyester pleated filter media.