Feature 1Excellent Aluminum Alloy: This oxygen pressure reducing regulator is made of excellent aluminum alloy, which is safe, reliable, durable and highly accurate in use. 2Fine Workmanship: This oxygen pressure reducing regulator has fine processing, tight connection of all parts, compact structure, beautiful appearance and safer use. 3Fine Pressure Gauge: The pressure gauge of this oxygen pressure reducing regulator is made of excellent ABS material with thickened protection design, which has clear scale, accurate reading and high sensitivity. 4Gas Filter: This oxygen pressure reducing regulator uses a gas filter with double protection for more energy efficiency and gas savings. 5Special Filtration Wetting: The gas in this oxygen pressure reducing regulator is specially filtered and wetted, so that the oxygen impurities are basically filtered, safe and non toxic.Item Type: Oxygen Pressure RegulatorMaterial: Aluminum Alloy, ABSInput Pressure: Less Than 15MPAGas Inlet Screw: BSP 5/8 InchRated Flow: 0-10m/HMedium: Oxygen .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xPressureGauge1 x Bottle1 x Hose