FSI DM20 turbine meter with polyamide construction, designed especially for use with DEF, water etc. Designed for in-line, end of the line application or use with a dispensing nozzle Polyamide turbine measuring mechanism Electronic display using two AAA 1.5V batteries Polyamide body & sealed electronic card makes it suitable for use in severe weather conditions Display can be rotated in 4 different positions Measures in litres, quarts, pints & gallons Easy user re-calibration Includes one additional stainless steel adaptor to convert from 1" male to 1" female threads