... control flow rate3.manufacturer of flowmeter Gas flow meter for air, oxygen, hydrogen, normal gas. It's ideal for a wide range of OEM ... and user application in medical equipment, air samplers, gas ... 1-12LPM,2-20LPM ,3-30LPM,10-60LPM,etc.Specifications for other models: ModelMeasure RangeScrew threadAccuracyUnit price(USD)ml/min( ...