The NIBCO PVC DWV plug is used in residential and commercial drain, waste and vent systems. The PVC DWV plug features a male NPT thread connection to fit inside a fitting to seal the end of a pipeline or a location where future additions may be made to the piping system. VC DWV is easy to install and is joined by solvent cementing or threading. PVC fittings exhibit high corrosion and chemical resistance and will not rust, scale, pit or corrode. Color: White.