Nu-Brite is a non-acid, alkaline-based cleaner designed to clean and brighten air-cooled condensers and outdoor finned coils. Using advanced foaming detergents and chelants, it quickly dissolves and foams out greasy dirt and grime without the hazards of acid cleaners. Its powerful foaming action lifts grime from hard-to-reach areas, restoring peak efficiency. This product is not recommended for indoor use.