One gauge shows pressure for carbonating and dispensing.The other gauge displays how much Oxygen is left.Easy to use - dial for pressure adjustment from min to max.Pressure safety relief valve which can be pulled to release pressure when disconnecting.Forged brass body, accurate machining, chrome plated finish, highly durable.Single stage piston design.Combination of regulator and flow meter as one unit.Polycarbonate flow tube and outer cover are impact resistant for maximum durability.Compact lightweight construction.Designed for MIG & TIG applications and provide accurate regulator of gas flow.Dual scale gauge with unbreakable polycarbonate lens for durability.Specification :Color: BlueSize: approx. 160x150x120 mm0Weight: 826g.Material: CopperMeasuring range: 0-2.5(MPa)Package includes :1 x Pressure Reducer Mig Tig Flow Meter