- High quality and brand new. - 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, more durable. - Economy style flow meter regulator. - Single stage piston design. - Machined brass body. - Combination of regulator and flow meter as one unit. - Polycarbonate flow tube and outer cover are impact resistant for maximum durability. - Compact lightweight construction.