Star brites -50F (-46C) Non-Toxic Antifreeze offers outstanding cold-weather and corrosion protection for drinking-water systems and all engines. A premium combination of additives prevents corrosion of aluminum, copper, brass, and solder yet it wont harm rubber, seals, or hoses. Formulated with virgin, non-toxic, USP-grade ingredients, Star brite Non-Toxic Antifreeze contains no alcohols and is ready to use. Do not dilute. This antifreeze provides burst protection down to -50F and freeze protection within a range of +12F to +16F (-11C to -9C). Made in USA. Size:1-gal. bottle. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.