... , pollution monitors, chemical injectors, cabinet purging, etc. Models in stock: 0.5-8LPM,1-12LPM,2-20LPM ,3-30LPM,10-60LPM,etc ... -2l/mindirect±4% 19NT-4T40-4001-12 l/mindirectN -6T25-2500.04-0.4tubeNT-6T16-1601-5 l/minG1/4"1/4"BSPNT ... . Brass 5. Brass chromeplate 6. Ss Ss Acrylic Agate ball PTFE 1-Silicon rubber 2-Fluorin rubber 3-Butyl air compressor air flow meter ...