oxygen flow meter/cheap flow meter 1. control & measure range (L/min) 0.5- ... -30,10-60L/min 2. oxygen gas oxygen flow meter/cheap flow meter Gas flow meter and air, oxygen flow meter ... user application in medical equipment, air samplers, gas analyzers, pollution monitors, chemical injectors, cabinet purging, etc. Models in stock: 0.5 ... ,2-20LPM ,3-30LPM,10-60LPM,etc. oxygen flow meter/cheap flow meter