... : 0.5-8LPM,1-12LPM,2-20LPM ,3-30LPM,10-60LPM,etc.Specifications for other models: ModelMeasure RangeScrew threadAccuracyUnit price ... 2500.04-0.4tubeNT-6T16-1601-5 l/minG1/4"1/4"BSPNT-6T80-4002-10 l/minG1/4"1/4"BSPNT-6T100 ... -5003-15 l/minG1/4"1/4"BSPNT- ... PTFE 1-Silicon rubber 2-Fluorin rubber 3-Butyl 10-60LPM High Quality Portable Hydrogen Gas Flow Meter