Specifications: Model: FM-120-2 Unit: Liter / US gallon / UK gallon. 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