Apeks Swivel Inflation Valve Apeks rubust & totally reliable inflation valve features an extra large recessed push-button allowing easy operation. The smooth backplate gives protection from uncomfortable pressure loads & prevents cold air blasts through underclothing. The valve sits low on the chest making it less prone to snagging. Rotation is a key feature of this valve to meet the diver's personal hose configuration. The valve is deigned to rotate 360 degrees for flexibility & to assist suit manufacturers in fitting valves. Connected to your 1st stage via a 3/8" UNF male coupling, this valve represents the ultimate in dry suit inflation.