The Sundance 6540-484 R is a compatible replacement for the following pool and spa filters:
The Sundance 6540-484 Comp. Pool Filter Cartridge has a diameter of 4 5/8 inches, and a length of 11 7/8 inches. This spa filter cartridge has a closed crescent handle style top, and a bottom with a diameter of 1 1/2 inches and Male Pipe Threads. (MPT) This pool filter replacement will keep the water in your pool or spa clean and clear.