Check out these Water Purification images:
Creating clean water
Image by The U.S. Army
U.S. Army Spc. Rachael Potts and an Iraqi engineer prepare a hose that will run dirty water through a solar-powered water filtration system during a demonstration for several Madain region engineers on Forward Operating Base Hammer, Iraq, Sept. 5, 2009. U.S. Army photo by Pvt. Jared Gehmann
See more at www.army.mil/.
SR2007A Water Purification Module
Image by North Coast Outfitters, Ltd.