Features: Made of aluminum, brass and stainless steel material, it is extremely durable. There is a 2-point screw hole on the top for easy installation to other equipment. A built-in check valve protects your shunt and prevents gas backflow. Run multiple lines from one CO2 source. The distributor allows you to split gas supply into multiple lines. Each line has its own shutoff valve. Due to the one-way valve mechanism, the pressure drop between the ball valves in these manifolds is approximately 2 psi. You will need to set the pressure on the regulator to 2 psi above the pressure required in the keg.) Specification: Barbed specifications: 7mm. Material: Stainless steel, aluminum Color: Silver Size: 135 x 90 x 30mm / 5.31 x 3.54 x 1.18 inch (appr.) 240 x 90 x 30mm / 9.45 x 3.54 x 1.18 inch (appr.) Package List: 1 x 2/4 Way Beer Splitter