Spray Nine Grez-Off Parts Cleaner is a powerful water-based degreaser formulated for professional quality cleaning. Use undiluted for spray-and-wipe cleaning or in Parts Washer systems and Immersion Tanks. Grez-Off Parts Cleaner cuts through heavy grease, carbon and baked-on grime without the use of petroleum solvents or acids. Safe for use on ferrous and non-ferrous metals. Grez-off contains advanced corrosion inhibitors, anti-foaming agents and is non-flammable. Grez-Off is compatible with water-based Parts Washers and plastic immersion/dip tanks. Use undiluted at room temperature or warmed-up to aid in cleaning. USE ON: Engine components, transmissions, rear differentials, bearings, machinery & equipment, tools, work benches, garage floors and much more!