LIQUID SOCKET - 1/4" Male Flare - Stainless Steel Beverage Disconnects - Flare nut and hose barb not included. - The new 3SG and 3SL sockets are made of stainless steel to last a lifetime. 1/4" male flare inlet fitting is 45 degrees to the body to keep hose from kinking. Other fittings can easily be substituted if required. They fit all standard transfer tank plugs. Gas sockets are coded with bright red band and marked gas in. Liquid sockets are marked liquid out. They are non-interchangeable so as to eliminate any error when making connections.