This versatile filter is a high-quality replacement filter designed for various models, including Pentair Rainbow 35, Sundance 6000-136, Waterway 35 In-Line, Leisure Bay, & Master Spas cartridges. Keep your spa clean and functioning at its best with this reliable filter. 

Dimensions: Diameter 4 15/16" x Length 9 /14" x 2 1/8" Openings