The NIBCO 6 in. x 6 in. x 4 in. PVC DWV 45 Deg wye is a used in residential and commercial drain, waste and vent systems. The PVC DWV 45 Deg wye features a hub x hub x hub connection and allows for a connection to be made in continuous pipeline and branch out to a different direction. PVC 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 corrodeMaximum service temperature of 140 DegFDo not test or use with compressed air or other gasesASTM D2665 and D3311NSF/ANSI standard 14UL Listed 94V-0