Built into every fuel transfer pump, chemical transfer pump and meter is over 50 years of experience—and the pride and workmanship associated with the moniker Made in USA. We use only the most durable materials to insure long life and dependability. Fill-Rite and Sotera branded products deliver superior performance time and time again, regardless of the application or installation. The 900DB1.5, Digital Flow Meter has easy to read 4-digit LCD counter display. 6-40 GPM, +/- 1.25% accuracy. Measures in Gallons, Liters, Quarts, Pints, Ounces and User Defined Units. Battery Operated (2 AA batteries Included). UL Listed.