The Pentair Rainbow RTL-50 Top Load Filter -- 50 sq. ft., 2-Inch Slip (R172504B) is a complete 50 square foot cartridge filter assembly for portable spa installations, using a 2-inch slip plumbing connection. Identical in design to the R172504 but with 2-inch slip port connections for higher-flow spa plumbing. The RTL-50 mounts in a niche under the spa shell with the top accessible from above. Canister diameter: 6-1/2 inches, niche hole diameter: 6-5/8 inches. Includes niche lock ring, lid lock ring, push-down lever, 50 sq. ft. cartridge, and lid. Used in Cal Spas, Leisure Bay, Baja, Jacuzzi Brothers, Marquis, and other spa brands requiring 2-inch connections.

SKU: R172504B