Specialty Gas Regulator, Single Stage, CGA-580, 0 to 50 psi, Use With: Argon, Helium, Nitrogen
99 Percent, Helium Leak Integrity Rating 1.High Purity Gas Regulator, Mounting Type Cylinder, Number of Stages Two Stage, Compatible Gas Type Argon, Helium, Nitrogen, Control Type Knob, Maximum Inlet Pressure 3,500 psig, Inlet Connection Size 0.965 In.