Mechanical Flowmeter, Product Type Flow Meter, Flowmeter Type Variable Area, Accuracy +/-5 Percent, Connection Size 1/8 in, Connection Type FNPT, Compatible Flow Material Air, Media Temperature – Maximum 250 Degrees F, Media Temperature – Minimum 33 Degrees F, Viscosity – Maximum 79.8 SUS, Voltage – Maximum Not Applicable, Housing Material Aluminum, Rotor Material Not Applicable, O-Ring Material Viton, Seal Material Viton, Shaft Material Not Applicable, Wetted Material Stainless Steel