aluminum, longer quality-using aluminum (back) and plastic material, rust-proof and wear-resistant, long service lifeperfect tool for and gasoline-this series of flow meters are used for non-commercial purposes, mainly for and gasolineEasy to install and provide you with stable and reliable counting-this flowmeter is reliable, easy to install and proofreadLarge display screen is easy to read and use- has a large display screen, easy to read, quick return to zero rotation, flexible horizontal or vertical installation, etc.Manual return to zero-with a mechanical flowmeter, the handwheel can be raised manually to return to zero, and the cumulative accumulation does not return to zeroHigh precision 1 inch 4 digital gas fuel oil flow meter counter meterColour: BlackMaterial: Aluminum and ABSSpecification:Model: FM-120-2Unit: liters/US gallons/imperial gallons.Flow range: 5-30 GPM/20-120L/MinAccuracy: 1%Nominal diameter: 25mm (1 inch internal thread)Medium: Product Type: MechanicalCounting: four times counting (returnable to zero), eight times accumulating (non-returning to zero)Installation direction: vertical or horizontalWorking pressure:Greater than 0.04 MpaMaximum working pressure: 50psi / 3.5barSize: 18 x 15 x 13.5cm / 7.09 x 5.91 x 5.31inWeight: 1984gPackage Contents:1 x Four-digit flow meterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.