Rain-X Windshield Washer Additive, 16.9 oz. is a specially formulated product designed to boost the effectiveness of your windshield washer fluid. When added to your fluid reservoir, it deposits a protective Rain-X treatment on your windshield every time you use your washer fluid. This additive works seamlessly with all types of windshield washer fluids, so you can continue using your preferred brand without any issues. It delivers powerful cleaning performance, effectively removing dirt, grime, and bug residue to keep your windshield clear. Beyond cleaning, it leaves a water-repellent finish that enhances visibility and helps maintain the benefits of Rain-X on your windshield for longer periods. This makes Rain-X Windshield Washer Additive a convenient and reliable choice for improving your driving safety and comfort. Model Number: RX11806D