The Caldera 1039607 R is a compatible replacement for the following pool and spa filters:
The Caldera 1039607 Comp. Pool & Spa Filter Cartridge has a diameter of 8 inches, and a length of 16 1/2 inches. This spa filter has a closed top with a handle, and an open bottom with a diameter of 3 3/4 inches. This pool filter cartridge will keep the water in your pool or spa clean and clear.