Feature:1. Using novel sealing technology, tight connection, no air leakage.2. The dial is covered with a non-slip plastic protective film, the scale is clearly visible without fading.3. Made of high-quality brass material, sturdy and durable, wear-resistant and corrosion-resistant.4. Superb technology, stable pressure, safe and reliable, can be used safely.5. This oxygen pressure reducing valve has high accuracy, stable performance, and is easy to install and use.Specification:Condition: 100% Brand NewItem Type: Oxygen GaugeMaterial: BrassUse Medium: Oxygen GasFlowing: 40m³/HMaximum Input Pressure: 15MPAMaximum Output Pressure: 1.25MPAApplicable Medium: OxygenNominal Diameter: 6Structure Form: Film TypeFlowing Direction: BidirectionalDrive Mode: ManualType (Channel Position): Two-Channel TypeWeight: Approx. 707g / 24.9ozPackage Size: Approx. 18.00x16.00x11.00cm / 7.1x6.3x4.3in Package List:1 x Oxygen Gauge1 x Adjusting Screw RodNote:1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.