The NIBCO 4 in. ABS DWV MIPT Cleanout Plug is designed for use in sanitary drainage and vent piping systems with an ABS cleanout fitting (sold separately). The plug acts as a temporary system cap. ABS is lightweight, safe to handle and easy to install. ABS DWV is joined by solvent cementing or threading and can easily be connected to steel, copper, or cast iron through the use of transition fittings. Color: Black.