NIBCO 3" or 4" Flush Toilet Flange with Knockout ABS DWV

The NIBCO ABS DWV flush closet flange is used in residential and commercial drain, waste and vent systems. The ABS DWV flush closet flange features a pipe stop and fits inside 4-inch DWV pipe and over 3-inch DWV pipe. The flush closet flange also features a knockout to prevent debris from entering the draining system. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. Acrylonitrile-Butadiene-Styrene (ABS) is resistant to a wide variety of materials rang...