Dive into the realm of pristine waters with the Hurricane HF8409-01 Advanced Cartridge Filter, where unparalleled cleanliness awaits. Crafted with meticulous precision, this filter guarantees seamless compatibility with a range of models including Unicel C-8409, PA90, Filbur Fc-1292, Hayward Star-Clear Plus C900, Hayward X-Stream CC100, Sta-RIte Pxc-95, Waterway Clearwater Ii 100, Waterway Pro-Clean 100, and other compatible models. With dimensions measuring 17 inches in length, an outer diameter of 8.94 inches, and top and bottom holes being 4 inches, achieving an ideal fit is effortless, measure your current filter for a flawless match.Experience a new level of filtration prowess with the advanced point bond filter media of this spa essential, elevating filtration effectiveness beyond traditional non-woven materials. From biomass to dirt, debris, hair, leaves, and even critters, this filter cartridge is a formidable barrier, leaving your pool or spa immaculate and inviting.