Pressure reducing valve: The theme of the pressure reducing valve made of brass, high toughness, wear resistance, corrosion resistance, better sealing safety.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; Precision machining is used to ensure the machining accuracy of each part.After 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;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.Tide bottle: Removable and washable, more hygienic. Built-in filter to prevent impurities from enteringProduct Name: Oxygen inhalerThread: G 5/8 inchColour:blue + transparentMaterial:Zinc alloyPackage Contents:1 x Oxygen Pressure Regulator1 x Nasal oxygen tube1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.