The UNICEL C-9405 R is the compatible replacement for the following pool and spa filters:
The Unicel C-9405 Comp. Pool & Spa Filter Cartridge has an outer diameter of 10 1/16 inches, and a length of 8 9/16 inches. This Unicel Pool Filter has a 6 inch open top and bottom. This Unicel C-9405 filter contains 50 square feet of Reemay spunbound polyester pleated filter media.