(12) 20 oz. Cans. Unique aerosol foam that enables simple and easy cleanup. Sprays as a forceful, engulfing, heavy duty foam that clings to surfaces and provides extended cleaning contact time. Contains powerful, water soluble, grease dissolving agents and detergents for instant cleaning action. A self-indicating foam breaks down grease and grime, and becomes dirty, indicating soil is ready to be flushed away. For use on road equipment, tools, concrete, and exhausts.