NIBCO 4 in. x 3 in. ABS DWV Spigot x Hub Flush Bushing

The NIBCO 4 in. x 3 in. ABS DWV flush bushing is used in residential and commercial drain, waste and vent systems. The ABS DWV flush bushing features a spigot x hub connection and provides a means for reducing the size of the line. 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.|4 X 3 in. Inside Diameter and 4 1/8 X 3 1/8 in. Outside Diameter|ABS construction|For use with non-pressurized drain, waste and vent sanitary systems|Used to reduce pipe size by inserting into ABS sitting hub|Spigot x hub connection type|Solvent welded connection|5 psi maximum working pressure|UL Listed 94V-0|"4 X 3 I.D. and 4 1/8 X 3 1/8 O.D."