The Holy Grayl of Water Filters

An innovative duo showcase their new brand of water filtration system: Grayl. Grayl is a water filter that works much like a French press does for coffee. But can something so compact make even toilet water clean enough to drink? | For more, visit http://www.sciencechannel.com/tv-shows/all-american-makers/#mkcpgn=ytsci1 Catch ALL-AMERICAN MAKERS Wednesdays at 10/9c on Science! Watch full episodes: http://bit.ly/AllAmericanMakersFullEps Subscribe to Science Channel: http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://testu.be/1ndmmMq