Republic OIl Premium EP220 ISO 220 Industrial Gear OIl 5 gallons/35+ lbs. Formulated to provide optimum performance and protection in nearly all types of enclosed gear sets. They are blended with selected grades of high-viscosity index and thermally stable paraffinic base stocks and fortified with an advanced additive system designed to deliver ultimate protection against gear and bearing wear, rust, oxidation, and hydrolytic decomposition.