Suitable for use with the Karcher Domestic Range of Pressure Washers Can be applied manually or with your Karcher pressure washer via the Low-Pressure setting, Wash Brushes or Wash Sponges. The Karcher Car shampoo is suitable for cleaning all vehicles. The detergent pouches are light & space-saving. Store folded up until you're ready to use, then simply add water to make up to 5 litres.