Mechanical Flowmeter, Product Type Mechanical Flowmeter, Accuracy +/-1 Percent, Connection Size 1 in, Connection Type FNPT, Compatible Flow Material Diesel, Oils, Media Temperature - Maximum 140 Degrees F, Media Temperature - Minimum -10 Degrees F, Viscosity - Maximum 9,400 SUS, Housing Material Aluminum, Seal Material Buna-N, Wetted Material Aluminum, PBT, Buna-N, Display Type Mechanical, Flow Rate - Maximum 32 gpm, Flow Rate - Minimum 5 gpm, Operating Pressure - Maximum 145 psi WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, and Di-isodecyl phthalate (DIDP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Nickel (Metallic)