0.5-5L/min Tube Type Oxygen Flow Meter Flowmeter with Control Valve for Air
Scope: Widely used in household oxygen, ozone machine. Size (LxWxH,for 0.5-5L/min):70x25x15mm/2.75x0.98x0.59". Connection: 8MM (hose connection). It's just take you 1 minute. We'd like to settle any problem in a friendly manner.