Slick Products Heavy-Duty Cleaner & Degreaser penetrates and lifts dirt, oil, grease, and tough grime from surfaces. This professional-strength cleaning solution is best used on tires, wheels, engine compartments, chains, sprockets, and other heavily soiled areas. The ready-to-use cleaning solution should be applied directly to surfaces with a trigger sprayer. Dilute with water for light cleaning. Contains a fresh citrus scent.