Be prepared for the freezing cold with this Winter Windshield Washer Fluid. It offers 10 times the cleaning power compared to ready-to-use formulas. It delivers freeze protection down to negative 40 degrees Fahrenheit using a highly concentrated winter formula with a unique blend of colloids, sequestrants and hyper-wetting agents. Windshield washer fluid is easily dilutable for preferred freeze protection. For protection in temperatures down to 0 degrees Fahrenheit, use one part fluid and four parts water. For negative 10 degrees Fahrenheit, use three parts water. For negative 25 degrees Fahrenheit, use two parts water. For negative 40 degrees Fahrenheit, use one part water. Convenient, pourable container and packaged are recyclable.