Grez-Off is a powerful, biodegradable degreaser that quickly blasts through heavy grease and grime. Grez-Off works hard so you don t have to. It removes heavy grease and soil from engines, mowers, tools, bicycles, garden, farm equipment, condenser coils, shop machinery, garage floors, asphalt drives, and much more. It's biodegradable, non-flammable formula hits hard and fast with less impact on user and environment.