The Sonfarrel 2301630 R is a compatible replacement for the following pool and spa filters:
The Sonfarrel 2301630 Comp. Pool Filter Cartridge has a diameter of 7 1/4 inches, and a length of 28 9/16 inches. This spa filter cartridge has both an open top and bottom, and each has a diameter of 3 inches. This pool filter replacement will keep the water in your pool or spa clean and clear.