Perfect for motorhomes with two separate holding tank valves. Allows two sewer hoses with lug fittings to connect to the same dump station. Built-in gaskets for odor-tight connections. All three ends swivel 360 degrees. Two ends have bayonet fittings; one has lug fitting. Durable construction 6.5 x 6.4 x 2.9 inches Camco Mfg. | Camco Mega Wye Sewer Hose Adapter