M89B Oxygen Pressure Gas Regulator Inhaler G-5/8 Male Thread O2 Oxygen Pressure Reducer Flow Meter Buoy Type InhalerOOTDTY Features: After special treatment, it is not easy to rust, long service life and , 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 drop-proof design, clear scale and high sensitivity. Gas filter: double protection, more energy-saving, more economical, safer to use; Precision machining is used to ensure the machining accuracy of each part. Made of high-quality material, which is strong and , applicable: family hospitals, energy saving, high strength and durability, small and convenient, both indoor and outdoor. Pressure reducing valve: subject pressure reducing valve made of brass, high strength, wear resistance, corrosion resistance, better sealing safety. Specification: Material: Metal Size: 16.5x1 4cm/ 6.5x5.51 inPackage Included: 1x Oxygen RegulatorNote: please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.