The UNICEL 4CH-949 R is the compatible replacement for the following pool and spa filters:
The Unicel 4CH-949 Pool Water Comp. Filter Cartridge has an outer diameter of 4 5/8 inches, and a length of 13 1/2 inches. This Unicel Pool Filter has a handle style top, and a 2 inch open bottom with female SAE threads. This Unicel 4CH-949 filter contains 50 square feet of Reemay spunbound polyester pleated filter media.