Maxion Filter Technology for maximum contaminant reduction. Filters over Mineral Core for crisp, refreshing taste. Certified to reduce over 70 contaminants, including 99% of Lead, 92% of Agricultural Pesticide, 96% of Mercury and more. CleanSensor Monitor, more visible electronic filter change light for enhanced filter compliance and 60% improved battery life. New leak proof connector & improved grip. 1 Filter provides up to 100 gallons (2 to 3 months) of clean water.