The ProAqua Filter Set for Sta-Rite includes both the outer and inner replacement cartridges, providing a complete, easy solution when it’s time to replace your filter elements. Designed for pools up to 55,000 gallons, this set offers a combined filtration area of 400 sq. ft. Specifications Outer Cartridge (included) Diameter: 16-1/2" Length: 21-1/2" Top: 10" Bottom: 10" Inner Cartridge (included) Diameter: 8-1/2" Length: 28-1/2" Top: 4" Case Size: 1
