Good catch LED, but I like this one a lot better off your same web site. This one will not only kill viruses but desalinize sea water and uses a 60 watt cell.

http://news.discovery.com/tech/computer-chips-water-purifier.html

During a recent test, the new purifier removed 99 percent of contaminants from a test mixture of North Atlantic seawater, blood, proteins and small plastic particles. Because contaminants are pushed away from the membrane, instead of being drawn through the membrane, the device will not clog.