The Leisure 111791 R is a comaptible replacement for the following pool and spa filter cartridges:
The Leisure Bay 111791 Comp. Pool Filter Cartridge is a pool water filter specially designed with premium media and 100 sq. ft. of filter area to improve the quality of swimming pool/spa water. This compatible Leisure Bay filter measures 7 1/2" in diameter x 20 13/16" in length, along with 2 15/16" Open top & bottom holes.