... input:200 voltage:36V 110V 220V welding regulator, for oxygen,acetylene, ARGON,CO2 gases, we also have other types of ... regulators1.Forged brass body & bonnet for maximum strength. ... filter to trap impurities.4.No soldered joints, for easy maintenance.5.Easy to read dual scale gauges ... orders.9.Outlet with control valve. CO2 REGULATOR JTR-128