From the product description, check product page for current description, price and availability:

• The gas manifold body is made of high quality aluminum. The inlet barb & hexagon nut is made of brass. The switch valve is made of copper plated zinc.So our gas manifold is lighter & durable than steel
• 2 way gas manifold allow you to supply CO2 for your several beer kegs. The gas manifold also provide the extra gas inlet for beer keg
• 【No Leaks & Independent Shunt】: The integrated check valves can prevent backflow of gas or liquid and protect your splitter. Every switch valve has their handles to control the gas flow,so each gas line will not affect the airflow of other kegs
• 【Easy To Use】: The gas manifold come with 5/16″ barb OD outlets & inlets. Inlet barb can connect with CO2 tank by hose. And the barb of shutoff valve can connect with your keg by hose to achieve carbonating beer
• 【Faster To Install】:Just need two screws or nails,you can easily secure this gas manifold on walls or kegerators. A gas manifold can split the delivery of CO2 into several parts to serve the draft beer system

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