The UNICEL 7CH-40 R is the compatible replacement for the following pool and spa filters:
The Unicel 7CH-40 Comp. Pool & Spa Water Filter has an outer diameter of 7 inches, and a length of 9 3/4 inches. This Unicel Pool Filter has a handle style top, and a 1 1/2 inch open bottom with male threaded fitting (MPT). This Unicel 7CH-40 filter contains 40 square feet of Reemay spunbound polyester pleated filter media.