Experience the epitome of pool and spa filtration with the Hurricane Advanced Spa Filter Cartridge Set.Crafted with precision to tighter tolerances than competing brands, this filter ensure an ideal fit for your system. The inner filter dimensions measure 24 inches in length and boast a 9-inch outer diameter, accompanied by 100 square feet of advanced filter media, which guarantees superior filtration efficiency. Complementing this, the outer filter spans 18 inches in length and 16 inches in outer diameter, and this spa essential features 200 square feet of filter media for comprehensive coverage. With the advanced point bond filter media, enjoy unmatched filtration capabilities. Unlike traditional materials, this filter cartridge offers tighter filtration, effectively removing biomass, dirt, debris, hair, leaves, and critters, thus maintaining a clean and safe pool or spa environment.