Heavy Duty Degreaser is a highly concentrated, heavy-duty, all-purpose cleaner and degreaser, all in one! Suitable for use on multiple surfaces, both interior and exterior. Heavy Duty Degreaser's performs especially well as an engine degreaser and a tire, white wall and floor cleaner. This product is biodegradable, nonabrasive, non-flammable, and phosphate free for a truely powerful clean.