The Sundance 6540-487 R is a compatible replacement for the following pool and spa filters:
The Sundance 6540-487 Comp. Pool & Spa Water Filter has a diameter of 7 inches, and a length of 19 inches. This spa filter has an open top with a diameter of 2 3/8 inches, and a 1 1/2 inch diameter hole with Male Pipe Threads (MPT) on its bottom. This pool filter cartridge will keep the water in your pool or spa clean and clear.