Waterway PCCF-075 Pro-Clean Cartridge Filter Complete, 75-Square-Feet Internal design provides better dirt-holding capacity for longer cleaning cycles Safety Lock Ring System offers fast, easy access to filter internals Raised inlet for clean, easy plumbing and extra dirt-holding capacity Improved flow through 2-Inch FPT inlet and outlet Recommended for 1/2 horsepower and 3/4 horsepower pumps