Genuine Ford Fluid ZC-32-B Premium Windshield Washer Concentrate - 32 Ounce (ZC-32-B2) Concentrated formula; the product label displays a handy dilution chart providing the mix ratios of water and windshield washer fluid Cleans off bugs, dirt and road film fast Contains a bittering agent Use at full strength to remove wax build-up on windshield wiper blades Important Note: This product must be diluted with water prior to use as windshield washer fluid; federal state and/or local regulations limit the concentration of volatile organic compounds VOCs in windshield washer fluid mixtures