The Bullfrog Spas Bullfrog 50 R is a compatible replacement for the following pool and spa filters:
The Bullfrog Spas - 50 Sq Ft Comp. Pool and Spa Filter has a diameter of 4 15/16 inches and is 13 5/16 inches long. This Bullfrog Spas pool filter has top and bottom openings with diameters of 2 1/8 inches. This pleated pool filter replacement contains 50 square feet of filter media. This pool water filter cartridge will keep your pool or spa water clean and clear.