The UNICEL C-9419 R is the compatible replacement for the following pool and spa filters:
The Unicel C-9419 Comp. Pool & Spa Filter Cartridge has an outer diameter of 10 1/16 inches, and a length of 31 1/8 inches. This Unicel Pool Filter has a 6 inch open top and bottom. This Unicel C-9419 filter contains 200 square feet of Reemay spunbound polyester pleated filter media.