From the Manufacturer Experience clean, crisp tasting water with our MineralClear technology. Our patented MineralClear technology filters water over natural minerals for a crisp, refreshing taste. The premium carbon filter is certified to reduce chlorine (taste and odor) and many contaminants including 99% of lead and microbial cysts. It also removes 99% of trace levels of pharmaceuticals. Yet is still leaves behind beneficial fluoride. Experience crisp, clean, refreshing water right from your tap. Pharmaceutical reduction not certified by NSF. Based on manufacturer testing for reduction in trace levels of 12 pharmaceuticals.PUR