Features:100% brand new and high qualityAfter special treatment, it is not easy to rust, long service life and durable,Compact structure: high pressure decompression adopts piston type decompression structure, which has small volume and long service life.Fine pressure gauge: the pressure gauge is made of high quality glass, thick and anti-fall design, clear scale and high sensitivity.Gas filter: double protection, more energy efficient, more economical, safer to use; Exactness machining is used to ensure the machining accuracy of each part.Made of high quality material, which is strong and sturdy, Applicable to: family hospitals, energy saving, high strength and durability, small and convenient, both internal and external.Pressure reducing valve: The theme of the pressure reducing valve made of brass, high toughness, wear resistance, corrosion resistance, better sealing safety. Package Includes:1x Oxygen Regulator Specifications:Material: MetalSize: 16.5x14cm/ 6.5x5.51 in note:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Produced by yougang