Features: brand new and high quality Pressure reducing for valve, the theme of the pressure reducing for valve made of zine-alloy , 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 for 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. Specifications: Material:Zine-alloy for Valve Package Size:180 63x250mm/7.092.489.84inches Output Pressure: 0.2~0.3Mpa for Valve pressure: 0.350.05MPA Flow Regulation:1L/min-10L/min Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Piece Oxygen Regulator Inhalator