Pressure Reducing ValveChina CO2 Gas Regulator with Pressure Gauge Sam Won Swr-020 Type Style with Ks Certificate 25L/Min 6kgf/Cm2 0.6MPa W22-14 W23-14 110V 220V 36V, Find details about China Reducer, Pressure Reducer from CO2 Gas Regulator with Pressure Gauge Sam Won Swr-020 Type Style with Ks Certificate 25L/Min 6kgf/Cm2 0.6MPa W22-14 W23-14 110V 220V 36V