100 Sq. Ft. Cartridge Filter

Keep your Caldera hot tub water crystal clear with this Caldera Spa 100 sq. ft. cartridge filter, engineered to deliver high‑capacity filtration for select Utopia and Cantabria models. The 16 1/2" x 8" pleated cartridge provides 100 square feet of surface area to trap body oils, dirt, and fine debris, helping maintain strong water flow and sparkling clean spa water.