We offer discount for large quantity. We invite you to ! Argon CO2 Pressure Reducer for Mig Tig Welding Flow Meter Welding Control Valve Gas Regulator Double Pipe Bubble Counter Flow MeterFeatures: Double Tube Design, Supply Two Welders, Save Cost. Hyperbaric oxygen in the cylinder, dissolved acetylene gas after decompression, work with pressure reducing device. When the inlet pressure and outlet flow are changed to keep the outlet pressure stable. Mainly used for welding, cuallied processes and so on. Material: MetalColor: GoldPackage Content: 1 x Argon CO2 Welding Mig Tig Flow MeterOnly 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/