VROOM is designed to aid gasoline and diesel engines with quick and easy starting power in cold, wet or freezing weather. Prevents excessive battery drain. Functions after use as a corrosion inhibitor and upper cylinder lubricant. Note: Do not use this product on glow plugs. For use on all automobile, truck, lawn mower, and upper cylinder lubricant, boat, chain saw, tractor, and other motors. Areas of use include machine shops, auto repair shops, truck stops, marinas, lawn mower repair shops and company fleet shops. Provides quick, easy start-up in all weather conditions For use on all internal combustion, gasoline, and diesel engines Reduces battery drain 12 - 16 oz cans/case, 10.7 oz net weight