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

This “D” type Keg Land brand all stainless coupler fits many American commercial beer kegs, including most microbrews. Includes a 3/16″ gas-in hose barb and 3/16″ hose barb outlet as pictured. Order adapter parts separately below if you want to adapt this to a system that uses home brewing ball-lock kegs. Made of all stainless steel, which is required for acid beverages like cider, wine, and coffee.

This model does not have a pressure relief valve, if a pressure relief valve is needed for your application, see our item B67.

If you are buying a Keg Land Kegerator, this includes everything you need (including hose barbs) to hook up one commercial Sanke Keg to one tower faucet and gas line. Since this is stainless, this is required for dispensing cider, wine, and coffee.

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