Did you know that 55% of all waterways in the US do not meet national water quality standards? If you don't filter your water, your body is the filter. Meet David Schulhof, the guy who didn't want his daughter to be the water filter. So he took the matter into his own hands and founded the first compact reverse osmosis unit that filter water contaminants that filter pitchers can't, including lead, mercury, arsenic. Visit http://igg.me/at/stanford-water-purification-system/x/6162583 for more.