The NIBCO 3 in. ABS DWV Hub x Hub x Cleanout Test Tee provides a cleanout opening and plug. The tee should be used with a non-pressurized sanitary system. 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.