The Leisure 817-0100 R is a compatible replacement for the following spa filter cartridges:
The Leisure Bay Comp 817-0150 Pool & Spa Filter is a pool water filter that maintains appropriate water clarity and quality for your swimming pool or spa through the use of 150 sq. ft. of media area and 4 oz. of weight. This compatible Leisure Bay filter measures 10" in diameter x 25 1/4" in length, and features 6" Open top & bottom styles.