Regulator Mounting Type Cylinder Number of Stages Single Stage Compatible Gas Type Argon Carbon Dioxide Helium Nitrogen Oxygen Control Type T-Handle Maximum Inlet Pressure 3 000 psig Inlet Connection Size 1/4 in Inlet Connection Gender Female Inlet Connection Type NPT Outlet Pressure (Maximum) 150 psig Outlet Connection Gender Female Outlet Connection Size 1/4 in Outlet Connection Type NPT Gas Purity Rating 99.9999 Percent Helium Leak Integrity Rating 1.00 x 10 -8 cc/sec