2, Filbur FC-1293, Clearwater II 125, Waterway Pro Clean PCCF-125, L x OD:23 1/4 x 8 15/16 1 PACK Item Condition : New UPC: B07RJ34ZFV SPECIFICATIONSLength: 23 1/4; Outside Diameter: 8 15/16; Top Bottom Opening: 4; Bottom Opening: 4; Material Area: 120 Sq.Ft; Filter Material: Trilobal Filtration Fabric.