Karcher Ultra Foam Cleaner is perfect for a deeper clean. Active dirt remover. Removes oil, greasy dirt, as well as vehicle and road dirt. Phosphate-free. For use with Karcher Foam Bottles. Contains an extra Foam Booster for an even deeper clean thanks to the active dirt disolver. Quickly removes oil and greasy dirt as well as the build up of vechicle and road dirt. Must be applied using a foam lance and should be applied either with a detergent suction tube or the Plug 'n' Clean system. Ideal for cleaning vehicles, motorcycles, caravans, and boats.