Rain‑X® Windshield Washer Fluid Additive Applies Rain‑X® Technology

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Simply add Rain‑X® Washer Fluid Additive to water or any windshield washer fluid to apply Rain‑X® technology.

Product Features

  • Instantly applies Rain‑X® technology to the windshield
  • Enhances driving visibility, safety and comfort
  • Improves windshield cleaning
  • Available in 16.9oz sizes

Product Usage Instructions

  • Add 4 fluid ounces to treat 1 full gallon of plain water or washer fluid in washer tank