P21S Windshield Washer Booster will give your windshield the best protection against the elements. Windshield washing gets a much needed boost with Windshield Washer Booster, an incredible new product from P21S. When driving in the rain, oily rain film quickly turns into smear on your windshield, and regular windshield washer fluid can’t handle the build up. The answer is simple. Add a shot of P21S Windshield Washer Booster to regular windshield washer fluid and start seeing clearly again! Can be used with any washer fluid & even comes with a built-in measuring cup ensuring the right washer fluid/booster mixture.


  • Higher Level of Safety. It’s good to be cautious, especially while driving in dangerous conditions. Adding P21S Windshield Washer Booster is like an adrenaline rush for washer fluid. It will step cleaning up a notch, causing film, grime, and clouds to disappear. Many customers also benefit from the added bonus of not having to replace windshield wipers as frequently.
  • Cuts through Grime. Greasy film, insect smear, and salt films will be removed with this powerful booster.
  • From a Name You Trust. P21S is a German company that makes an incredible line of car care products that is regarded highly in the industry.

P21s Windshield Washer Booster - 250 ml

SKU: PS-003