The Dim One 1561-03 R is a compatible replacement for the following pool and spa filters:
The Dimension One Spas 1561-03 Comp. Pool & Spa Filter has a diameter of 4 15/16 inches, and a length of 11 5/8 inches. This pool filter has both an open top and bottom, with both having a diameter of 2 1/8 inches. This pool filter cartridge will keep the water in your pool or spa clean and clear.