192021 Tuthill Corp FR1118A10 145 PSI, 3 To 26 GPM In-Line Digital Meter, Accuracy Of Plus 1%, Rated To 145 PSI, Bottom To Top Flow, 1 NPT Threads, Can Measure In Gallons, Liters, QT Or PT, 5 Digit Resettable Register With Two 7 Digit Totalizers 1 Non-Resettable, 1 Resettable, Protective Rubber Guard, For Use With Diesel Kerosene Only.