Inline swivel Adaptor allows your Primary Second Stage Demand Valve to be held in a more comfortable position in your mouth. It can also be used on Secondary Octopus Second Stages with a reduced S bend in the hose. The reciever can orientate to any position due to the maximum 120 deg bend allowed and the 360deg turn on the Low Pressure Hose. Features: 120 deg bend which is the maximum possible without a reduction in air flow that compromises second stage performance 4mm internal diameter which matches the highest performance piston valves and internal hose fittings When fitted to Low Pressure Hoses it will allow use in any orientation Chrome Plated Brass