Features Clear Reading: Pressure gauge and gas flowmeter, with clear scale, are more suitable for reading values. Manual Adjustment: The argon pressure reducer is equipped with a manual adjustment knob, easy for operation. Wide Usage: The pressure reducer is suitable for argon and carbon dioxide (non heating), supports maximum pressure of 4000psi. Reliable Material: Made from premium brass and plastic materials, the welding regulator is not easy to be damaged, ensures lasting durability. Mainly Used: The gas flowmeter regulator is suitable for welding operation, welding machine argon operation. Specification: Item Type: Argon Regulator Material: Brass, Plastic Inlet Connection: CGA 320, with gasket Outlet Connection: M12 x 1 and faucet option Maximum Pressure: 4000psi/2800KPa Regulator: Manual knob Pressure Gauge and Gas Column Size: Approx. 162x27mm/6.4x1.1in Total Width: Approx. 121mm/4.8in Outlet Height: Approx. 85mm/3.3in Package List: 1 x Argon Regulator Package List 1 x Argon Regulator