The NIBCO 2 in. ABS DWV coupling features a hub x hub connection and connects ABS DWV piping lengths with solvent weld connections. Acrylonitrile-Butadiene-Styrene (ABS) is resistant to a wide variety of materials ranging from sewage to commercial household chemical formulations and can be exposed to a wide temperature span. 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. The NIBCO ABS DWV coupling is used in residential and commercial drain, waste and vent systems. Color: Black ABS.