This is a scientific oxygen regulator for medical use. The flowmeter with a humidifier is used in reducing gas pressure and adjusting the gas volume, which rescues patients and is treated as oxygen therapy by hospitals. It also works with other gases to reduce pressure and control the flow. 

• Stable flow control.
• Adjustable reductor.
• Reliable performance.
• Stainless steel floater.
• Compatible with a range of gas bottles.