Simoniz Tunnel Clean is a heavy duty, non-hydrofluoric cleaner. Furthermore Tunnel Clean is formulated for use on detergent and wax scum buildup on walls, equipment, and windows, cleaning and brightening them with ease. In addition Tunnel Clean is a safe and effective way to get your wash bays clean and customer-ready. Tunnel Clean is a great addition to your car wash cleaning supplies. Add Simoniz Tunnel Clean to your car wash supplies today!