SELL CHEAP Flow Meters, designed for metering diesel fuel, gasoline, kerosene, mineral spirits, stoddard solvent and heptane with the advantage of Large, easy to read numbers, Quick reset knob, Flexible flowports can be positioned vertically or horizontally. The easy reset register indicates product use up to 999.9 gallons. The master totalizer registers up to 99999999 gallons. Measurement: Litre/ US Gallon Max. Pressure: 3 Bar. Flow Rate: 40GPM Inlet& Outlet: BSPF/ NPT 1.5 until 2" Precision: ± 1%