We offer discount for large quantity. We invite you to ! G5/8 Inch 0-25Mpa Argon Flow Meter Shock Resistant Argon Argon CO2 Welding Mig Tig Flow Meter Single Stage Argon Pressure ReducerCalibrated to Argon, Helium and Carbon Dioxide GasesManometer for Easy ReadingThe flow meter is back pressure compensated to provide accurate readings when line restrictions are present. Polycarbonate flow pipe and outer diffuser are impact resistant for maximum durability External Safety Pressure Relief DesignSpecifications:Inlet Thread: G5/8 Inch Material: AlloyColor: GoldPackage Contents:1 x Argon Pressure ReducerOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/