Know that sinking feeling that comes from smelling anti-freeze in the cockpit? Avoid the experience with this proven additive. No-Rosion stabilizes anti- freeze and neutralizes the acids that eat away at your radiator, heater core, and water pump. It even prevents deposits that cause overheating. A one pint bottle treats up to 5 1/2 gal.; that covers most popular cars. Working for 30,000 miles on regularly-driven vehicles, No-Rosion has been used successfully for years in fleets.