The UNICEL 7CH-552 R is the compatible replacement for the following pool and spa filters:
The Unicel 7CH-552 Comp. Pool & Spa Filter Cartridge has an outer diameter of 7 inches, and a length of 10 1/2 inches. This Unicel Pool Filter has a handle style top, and a 2 inch open bottom with male threaded fitting (MPT). This Unicel 7CH-552 filter contains 52 square feet of Reemay spunbound polyester pleated filter media.