High-quality aluminum and plastic construction provides rust-proof and wear-resistant performance for long service life Ideal for monitoring fuel and gasoline flow in non-commercial applications Reliable mechanical flow meter that is easy to install and read Features a large digital display for clear reading, with quick return to zero function Manual handwheel allows for resetting the count while maintaining cumulative data 4-digit gas and fuel oil flow meter with black finish Color: Black Material: Aluminum + ABS Model: FM-120-2 Measurement Units: Liters / US gallons / Imperial gallons Flow Range: 5-30 GPM / 20-120 L/Min Accuracy: 1% Nominal Diameter: 25mm (1 inch internal thread) Medium: Fuel, gasoline Product Type: Mechanical flow meter Counting Function: 4-digit totalizing counter (manual reset), 8-digit cumulative register (non-resettable) Installation: Suitable for both horizontal and vertical installation Working Pressure: 0.04 MPa Maximum Working Pressure: 50 psi / 3.5 bar Dimensions: 18 x 15 x 13.5 cm / 7.09 x 5.91 x 5.31 in Weight: 1984g Package Includes: 1 x Four-digit flow meter Note: Other items not included. Slight color variation may occur due to lighting and display differences. Measurement error allowed within +/- 1-3 cm.