1/4" NPT x 1/4" Hose Barb Brass Valve
Valve will fit into a regulator or standard manifold block. This valve is both a ball valve and check valve. This valve allows you to turn off CO2 while keeping beer from ever traveling back up the gas line into the regulator. It has a male 1/4" NPT on one side and a 1/4" hose barb on the other end.