1 Food Grade Material: Both are made of food grade silicone, which is soft and smooth, durable and anti kinking, safe and nontoxic. 2 Easy and Efficient: The check valve install on the inside of the beer coupler on the air, gas hose nipple, prevents liquid from entering your gas line. 3 Non Slip Gasket: The gasket can be firmly sleeved on the inside of the joint and is not easy to slip off. 4 Portable: Tiny gas check valve and washer are portable to anywhere such as beer party, brewing competition, camping, and barbecue. 5 Professional Accessories: Work well for D Type Coupler, for Taprite and for Krome Sanke Couplers, for most US Sankey Coupler.
What's in the box
1 x Check Valve and Washer Kit
