Medium Duty Regulator, Single Stage, Series 30(TM), Cylinder Gas Nitrogen, CGA Connection Inlet 580, CGA Connection Outlet 7/16 In.-20 Flair, Delivery Pressure Range 450 psi, Gauges Delivery Pressure 600, Inlet Gauge 4000 psi, Gauge Size 2 In., Body Dia. 2 In., Overall Length 4.75 In., Includes -