The Unicel C-5623 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-5623 Comp. Pool & Spa Filter Replacement has an outer diameter of 5 5/16 inches, with a length of 13 9/16 inches. This Unicel pool filter has an open top with a diameter of 2 1/8 inches, and an open bottom with a diameter of 2 inches and Male Pipe Threads (MPT). This Unicel C-5623 filter contains 23 square feet of filter media.