Prestone AS250 De-Icer Winter Washer Fluid, 1 Gallon
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- Car accessories
Winter washer fluid that melts ice and frost, listed with -34°F protection, in a one-gallon jug.
❄️ Winter pick
Confirm it is the one-gallon AS250 and that its -34°F rating matches your climate.
The Prestone AS250 is a winter fluid whose listing says it melts ice and frost fast, with -34°F protection. It also mentions cleaning away winter salt and grime. On Amazon US it was $15.85 on November 3, 2026.
Pros
- Lists -34°F protection
- Aimed at winter salt and grime
- Ready-to-use one-gallon jug
Cons
- Costs about three times the Bug Wash
- Winter formula, not aimed at summer bugs
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