ProDual is a two-product spray system designed to apply pre-wash and rinse aid shampoo or detergents on cars, trucks and other vehicles. The system optimises water and product consumption, helping to reduce operating costs. ProDual can be mounted on a trolley for a fully mobile solution.ProDual is connected directly to the water supply and offers reduced maintenance costs thanks to the quick and tool-free replacement of consumable parts such as venturi or valves.