If you're looking for the unique Rain-X water repellent technology as featured in Rain-x Glass treatments and cleaners, Rain-X has created a Washer Fluid Additive that simply gets added into your excessing windshield washer fluid or water then applies Rain-X technology when used. It's that easy.
How easy is it to use?
- Add directly to windscreen washer fluid reservoir
- 120ml will treat 4 litres of plain water or washer fluid in washer tank