Make sure that you protect your investment while it is not in use. Mallory Marine fogging oil protects internal engine components from rust and corrosion while they are in storage or out of use for extended periods. Features include: * Forms a protective barrier on internal parts and cylinders to prevent the formation of rust and corrosion and extend your engine's life * If applied while engine is running, a smoky discharge is emitted so you can tell that the fogging oil is reaching the necessary engine components * For use in all 2 and 4-cycle engines during storage Sold individually.