Featuring flow rate range of 3–26 gpm with ±1% accuracy, MPFM Multi-Purpose Flow Meter is suited for measuring flow of water, detergents, DEF, and other low viscosity liquids. Unit features 2-button interface with ½ in. digits and ability to indicate measurements in gallons, pints, quarts, or liters. Mounted in any orientation, or at end of hose, meter has nylon and glass reinforced fiber body and rotor with ceramic bearings and stainless steel shaft and snap rings for chemical resistance.