1 Gal Windshield Washer Fluid -20F. Peak Windshield Wash is a conventional blue all-season windshield cleaner that is safe to use in any vehicle. Use Peak Windshield Washer Fluid at -20°F to keep your windshield clean even in the cold. Ready-to-use formula Streak-Free ShineKeeps your windshield clean Protects to -20 Degree F Use Full-Strength Water-Based Solutionbrush applicator for larger scratches and chips








