D71 FREE WHEEL CLEANER is designed to clean tires and engines using foaming action. It cleans whitewalls effortlessly. Simply spray on and spray off. D71 Free Wheel Cleaner can be used in wand washers, through CTA and hand sprayers. Special non-staining dyes can be added to produce colored foam for added customer appeal. NOTE: When using for the first time, test on an inconspicuous area for compatibility.