Add this product to windshield washer fluid and you will have a water-repellant coating that will enhance visibility allowing you to see the road, not the rain. Just open, pour, you're done. It also has superb cleaning properties, keeping bugs and road film off your windshield. WeatherBlade can be used year round and is economical, 2 oz. treats 1 gallon.

Material Safety Data Sheet (MSDS)

Product Data Sheet