Mechanical Flowmeter, Product Type Petroleum Fluid Meter, Flowmeter Type Variable Area, Accuracy +/-2 Percent, Connection Size 1/2 in, Connection Type SAE, Compatible Flow Material Petroleum Fluids, Media Temperature – Maximum 240 Degrees F, Media Temperature – Minimum -20 Degrees F, Viscosity – Maximum 500 SUS, Voltage – Maximum Not Applicable, Housing Material Aluminum, Rotor Material Not Applicable, O-Ring Material Viton, Seal Material Viton, Shaft Material Not Applicable