Prestone

Prestone is a brand of antifreeze marketed by Honeywell. Until 1994, it was made by First Brands which is now The Clorox Company.

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Several varieties of antifreeze are sold under the Prestone name, in addition to radiator additives, such as stop leaks. The Prestone name is also used for other automotive chemicals, including windshield washer fluid, as well as Prestone Heat, a sidewalk de-icer.