There's finally a cleaner that can tackle auto, home and industrial grease messes: Radiator Specialty's Gunk Concentrated Purple Cleaner Degreaser. This potent cleaner breaks down grease on contact, quickly eliminating grease, oil, dirt, wax and tar from cold engines, tires and concrete floors. It also works great on vinyl siding, ovens and other appliances throughout your home. Have a tough grease problem? Don't let it get you down. Radiator Specialty's Gunk Concentrated Purple Cleaner Degreaser in a convenient, easy-to-use 32-ounce spray bottle has your auto, home and industrial cleaning needs covered.