Get cleaner, fresher tasting water with PUR's unique Maxion technology. PUR's unique, premium carbon water filter removes 96 percent of mercury and 95 percent of certain industrial pollutants. It also reduces chlorine (taste and odor) and 94 percent of trace levels of pharmaceuticals, giving you clean, great-tasting water. Yet it still leaves behind beneficial fluoride. Maxion filter technology is PUR's unique formulation approach for blending carbon and ion exchange materials for maximum contaminant reduction. Clean drinking water is the foundation for good health. Pur dispensers with Maxion technology turn your ordinary tap water into clean, fresh-tasting drinking water. The Pur Classic 18-Cup Dispenser also offers these great benefit.