HARDEX Rain Slip improves the rainy driving condition, providing clearer vision and safer driving situations and it is very easy to use. When applied, the windshield is so slippery that water, dirt and slush passing vehicles will not stick on it. This water beading technology enhanced your driving visibility in one simple step.
Product Usage Instruction : ◽ Remove all windshield washer fluid in the reservoir. ◽ Flush again with water to make sure it is free from washer fluid and any detergent. ◽ Add 1 sachet into the reservoir and it can treat up to 3-5 liters of water. ◽ Spray the washer fluid 2-3 times for best results.