Fill-Rite 901C/901 Flow Meter, 1 in Connection, NPT, 6 to 40 gpm, 50 psi Pressure, 4-Digit Display

4-wheel mechanical fuel transfer meter, 6 to 40 gpm. Aluminum construction. +/- 2% accuracy rating. Designed for gasoline, diesel, biodiesel up to B20, E15 and kerosene.