The Hot Springs 31233 R is a compatible replacement for the following pool and spa filters:
The Hot Springs 31233 Comp. Pool & Spa Replacement has a diameter of 5 1/8 inches, and a length of 10 1/4 inches. This spa filter has an open top with a diameter of 1 5/8 inches, and an open bottom having a diameter of 1 9/10 inches, with slots. This pool filter cartridge will keep the water in your pool or spa clean and clear.