Our in-line one-way check valve with gas ball lock coupler prevents backflow of liquid into the gas line and regulator.
5/16″ (standard for gas line) brass hose barb on one end for connecting to your gas hose. Gas ball lock coupler on the other end for gas connection to gas ball lock studs on soda-style kegs commonly used in home brewing. Coupler has built in 1/4″ male flare threading.
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