Features: It is made of high-quality aluminum(back side) and plastic material, designed for a long operational life The series flow meter is used for non-commercial purposes, for diesel, gasoline. This flow meter is reliable, easy to install and proofreading. With a large display screen, easy to read, fast back to zero rotation, flexible horizontal or vertical installation and so on. With mechanical flow meter hand-wheel liters can manually back to zero, total accumulated can not return to zero. Specifications: Model: FM-120-2 Unit: Liter Flow range: 5-30 GPM/20-120L/Min Accuracy: 1% Nominal diameter: 25mm (1" internal thread) Medium: Diesel Product Type: Mechanical Count: four counts (can be reset to zero), eight cumulative (not return to zero) Shell material: Aluminum, Plastic Mounting direction: vertical or horizontal Working pressure: > 0.04 Mpa Max operating pressure: 50psi / 3.5bar Size: 18 * 15 * 13.5cm / 7.09 x 5.91 x 5.31in Weight: 1984g Package included: 1 x Diesel Flow Meter