Invisible Glass STWFA Rain Repellent Washer Fluid AdditiRain Repellent Washer Fluid Additive turns normal washer fluid into rain repellent, which improves driving visibility in wet weather. Rain Repellent Washer Fluid Additive repels rain, sleet and snow for safer driving. It applies rain repellent each time you spray your windscreen. It mixes easily with water or washer fluid, treating up to 10 litres with a single bottle.. Improves visibility in wet weather. Repels rain, sleet and snow. Mixes easily with plain water or windscreen washer fluid. Improves the cleaning effectiveness of your windscreen washer fluid. Applies more rain repellent each time you spray your windscreen.
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