Developed for leading German car makers, Kristall Klar Windshield Washer Fluid Concentrate is over 200 times more concentrated than the typical pre-mixed washer fluid. Each 32 oz bottle, when mixed with regular tap water, makes 55 gallons of highly effective washer fluid that easily removes road grime, bugs and dirt without causing smearing or glare that can impair driving. Reduces wiper blade wear and tear and eliminates skipping and shuddering. Does not leave white residue on paintwork. Softeners prevent mineral build-up in washer system for optimum operation. And unlike washer fluid tablets and concentrates, Kristall Klar will dissolve completely, contains lubricants, and won't clog your windshield washer fluid system. Biodegradable and phosphate-free. Ammonia-free so it won't harm chrome, paintwork, rubber or plastic. The only car windshield washer fluid that doesn't contain toxic methanol which is typically found in leading brands. Has a fresh citrus scent. NOT rated for freezing. For winter and year-round protection, try our winter formula Anti-Frost Concentrate.