This Replacement filter cartridge has the technical specifications as Unicel # C-7470, Pleatco # PCC80, Filbur # FC-1976 and complies with OEM # R173573 specifications. This 20 inch long and 7 inch wide filter cartridge with its 3 inch holes both at top as well as bottom is capable of handling the top load of 85 sq ft and best fit for Clean and Clear Plus, Waterway, Pentair Pool Products-Pac Fab Re. It is made of high quality material and provides you complete protection from sand, dust and worms in pools and spas.