The NIBCO 2 in. ABS DWV All-Hub Double Sanitary Tee can be used with a non-pressurized sanitary system to bring 2 branch lines into a vertical drain line. Maximum working pressure of up to 5 psi. BS 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.