Test Plug, Mechanical, T-Cone, Nominal Size 4 In, Min Dia 3.78 In, Max Dia 4.06 In, Max Back Air Pressure 5 PSI, Max Back Pressure 50 Ft of Head, Material of Construction Plastic, For Use In DWV Systems To Seal Round And Out Of Round Pipe. This item has been restricted from sale in the following state (s): []