CR Spotless Water Systems manufactures high-quality water filtration systems so you can give your bus, car, or boat a spot-free rinse. Utilizing an advanced water-deionization system, CR Spotless softens water so you can safely perform the "final rinse" using this system, and walk away without worrying about water spots. Does it actually work, you might be wondering? Yes! CR Spotless Water Systems is the best on the market. When you use a spot-free rinse, you eliminate the need for drying towels, thus helping keep your vehicle swirl and scratch free.