The MU pressure regulators are designed for direct fitting on standard medical gas cylinders. They are manufactured with body of chrome-plated brass, with a pre-calibrated overpressure safety valve to protect against any malfunction of the system, with an inlet connection for O2 or Air according to the various standards used in different Countries and with an outlet hose connector. They are available in a version with preset calibration of the outlet pressure with single gauge to check the cylinder contents, or with adjustable pressure and a flow gauge to check the flow of the supplied gas. A protective silicone cover prevents gauges damage caused by possible shocks received during transport or use.