Regulator mainly used in the oxygen supply system, which is used for emergency oxygen and oxygen inhalation; it can also use in the flow control devices of scientific research institutions, industrial, mining and other inhalation. The theme of the pressure reducing valve made of brass, high toughness, wear resistance, corrosion resistance, and better sealing safety. The pressure gauge is made of high quality glass, thick and anti-fall design, clear scale and high sensitivity. Double protection, more energy efficient, more economical, safer to use; Precision machining is used to ensure the machining accuracy of each part. Removable and washable, more hygienic. Built-in filter to prevent impurities from entering.