The glass flow tube is made from mandrel drawn glass to ensure high accuracy, which allows {TAIL ~ interchangeability} from flowmeter to flowmeter with no change in {HEAD ~ accuracy} 
The glass flow tube is made from mandrel drawn glass to ensure high accuracy , which allows { TAIL ~ interchangeability } from flowmeter to flowmeter with no change in { HEAD ~ accuracy }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD