The Pleatco PLBS50 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Pleatco PLBS50 Comp. Pool & Spa Water Filter has an outer diameter of 5 5/16 inches, with a length of 10 1/8 inches. This Unicel pool filter has an open top and bottom with both having a diameter of 2 1/8 inches. This Pleatco PLBS50 filter contains 50 square feet of filter media.