The 901CN1.5 Mechanical flow gallon meter has a large easy to read display, flow ports can be positioned vertically or horizontally, UL/cUL listed, handles fluid of any viscosity, rated for Gasoline, Diesel, Kerosene, mineral spirits, Stoddard solvents and heptane. Fill-Rite meters provide precision and durability in a cost-effective design. The 901CN1.5 meter is a 4-wheel mechanical meter designed for transfer pumps with a flow rate of 23-151 LPM. This meter has a 1.5 in. inlet and outlet.