Poorboy's World Spray & Rinse Wheel Cleaner, as the name suggests, is a wheel cleaner that you spray on, and then rinse off with a hose.  Poorboy's World Spray & Rinse Wheel Cleaner is considered a professional-grade wheel cleaner because it is acid-based.  Poorboy's World Spray & Rinse Wheel Cleaner is designed for factory coated wheels, including painted, clear coated, chrome, and even plastic hub caps.  It is not designed for polished or machined aluminum wheels, or any type of aftermarket, matte, or powder-coated wheel.   Poorboy's Spray and Rinse is designed for the quick and easy removal of brake dust and road grime from most wheels. If you are looking for the best spray on rinse off wheel cleaner, Poorboy's World Spray & Rinse cannot be beat! Just spray on a cool wet wheel, let set for a few minutes and then use a steady steam of water to rinse away brake dust and road grime. NO bending, NO scrubbing, NO brushing is needed!  Rinse sprayer out with water after each time using Poorboy's Spray and Rinse Wheel Cleaner. This is important because letting the product since in the sprayer without flushing it our will cause the spray trigger to fail prematurely.