The NIBCO 3 in. x 3 in. x 1-1/2 in. ABS DWV H x H x H Long-Radius Sanitary Tee is designed for use in non-pressurized systems. The tee can be used to connect a horizontal ABS branch line into a vertical ABS drain line. 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.