ACDelco 1051515 Windshield Washer Solvent and Antifreeze - 32 oz Specially formulated with outstanding cleaning agents to remove bug matter and road film without smearing or streaking, while remaining safe for metal, glass, and paint surfaces Excellent cold weather performance - protects against freezing down to -26 degrees Fahrenheit (-32 degrees Celsius) when properly diluted Contains surfactants that limit safety hazards by minimizing oily dirt smears on the windshield Contains lubricants that help windshield wipers glide more easily and reduce wear on the wiper blades Contains solvents that clean oily road grime off the windshield faster and provide for a lower freezing point