... .5-8LPM,1-12LPM,2-20LPM ,3-30LPM,10-60LPM,etc.Specifications for other models: ModelMeasure RangeScrew threadAccuracyUnit ... l/minG1/4"1/4"BSPNT-6T80-4002-10 l/minG1/4"1/4"BSPNT-6T100-5003- ... )ABCDEFNT-4T942721141470NT-6T102302520M18x1.577NT-8T110302520M18x1.580The material and code of the parts of NT-4T,6T,8TFlow ... rubber 2-Fluorin rubber 3-Butyl 10-60LPM High Quality Portable Hydrogen Gas Flow Meter