Water filter for the developing world

March 3, 2015 • CTV News
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A Calgary scientist, David Manz, has developed a cheap and simple solution for clean water, which is used by Samaritan's Purse.

For more information and to make a donation, visit the Samaritan's Purse website.

Read more: http://calgary.ctvnews.ca/video?clipId=562948&binId=1.1201914&playlistPageNum=1