This replacement filter cartridge replaces Unicel # C-7471, Pleatco # PCC105, Filber # FC-1977 and OEM # 817-0106 as other technical specification. It can handle the top load of 45 sq. ft. With 3 inch holes both at top as well as bottom, it is best fit for Clean & Clear Plus, Waterway, Pentair Pool Products, Pac fab. It is 26 1/16 inch long and 7 inch wide and proves to be great quality filter cartridge for your swimming pool and spas.