The NIBCO ABS DWV sanitary tee is used in residential and commercial drain, waste and vent systems. The ABS DWV 90-degree sanitary tee with 90-degree right inlet features all hub connections and is used to change the direction of flow. 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. Color: Black.