... can supply different kinds of Argon Regulator, Co2 Regulator , Oxygen Regulator , Acetylene Regulator.CO2 regulator:- Built-in, thermostatically-controlled, electric ... heater keeps the CO² warm, allowing for a continuous duty cycle ... RH, Dia.7.3/4x40mm or 3/8” BSP CO2 Gas Regulator (flowmeter)