WINDSCREEN WASHER -20° Anti-freeze liquid detergent for the car’s windscreen washer fluid tank. The special formula quickly cleans and removes all types of filth on car windows: dust, insects, smog and oil without leaving streaks. Used as is it during the winter until a temperature as low as approximately -20°C and during summer also diluted 50% in water. Pour the product right into the windscreen washer tank in the engine compartment.