The NIBCO 3 in. x 3 in. x 2 in. ABS DWV Hub x Hub x Hub Sanitary Tee is designed for use with a non-pressurized sanitary system. The tee connects a branch line into a vertical ABS drain line. ABS is lightweight, safe to handle and easy to install. ABS DWV is joined by solvent cementing or threading and can easily be connected to steel, copper, or cast iron through the use of transition fittings. Color: Black.