Fill-Rite 820 1" 2-20 GPM(8-76 LPM) Digital Nutating Disc Fuel Transfer Meter For Use With Water, Diesel, and Mild Chemicals
2-20 GPM Flow Pressures to 125 psi Max Glass-filled Polypropylene Housing Fluorocarbon Seals 1" FNPT Ports -10°F-130°F Temperature Range 360° Positioning Display Quick One Step Calibration Waterproof, Corrosion-Resistant 20 Stored Calibration Factor Settings Two Alkaline AA Batteries Included