Pipe Plug, Mechanical, Cleanout, 3 1/2 In Price For: Each Max. Back Pressure: 50 ft. of Head For Use In: DWV Systems To Seal Round And Out Of Round Pipe Item: Pipe Plug Type: Mechanical, Cleanout Nominal Size: 3-1/2" Min. Dia.: 3.75" Max. Diameter: 3.85" Material: Plastic Country of Origin (subject to change): Taiwan