Not required., 500.129.00.1, Bottle trap for washbasin, plastic, horizontal outlet., 152.080.21.1, Waste Outlet with Free Outlet and Valve Cover, Gloss Chrome-Plated, G = 1 1/4", L = 80 mm., 152.050.21.1, Waste Outlet with Free Outlet and Valve Cover, Gloss Chrome-Plated, G = 1 1/4", L = 50 mm.