Rain-X 831991L Windscreen Washer Additive, 1 Litre Rain-X windscreen Washer additive is ideal for use on a windscreen that has been pre-treated with Rain-X Rain Repellent, to ensure that the water repelling, transparent layer on the windscreen is maintained over time. The rain-x windscreen Washer additive applies rain repellent to the windscreen every time this is used, and will replenish any areas of the windscreen where the solution has worn off. This will ensure the water beading technology remains effective for the duration, and will also clean the windscreen to a streak-free shine. Please note: always use windscreen wipers as necessary Applies Rain-X Rain Repellent each time windscreen Washer fluid is used Cuts through bug residue, tree sap, bird droppings and road Grime Provides streak-free cleaning to improve visibility and driving comfort Item Package Dimension: 8.5cm L x 8.5cm W x 23.0cm H