Simple Green Pro HD Heavy-Duty Cleaner is a professional grade cleaner and degreaser that breaks down tough grease, eliminates grime and removes stains on a wide variety of surfaces including engines, car exteriors, machinery, floors, walls and more. It is non-corrosive to metals, non-degrading to plastics and clean rinsing. The cost-effective concentrate can be custom diluted for specific cleaning jobs and used in pressure washers, carpet cleaners, floor scrubbers, ultrasonics, dip tanks and other cleaning equipment. Provides a safer alternative to solvents and other harsh cleaning chemicals without sacrificing performance.