Drinking Nasty Swamp Water (to save the world) - YouTube
Tanzanian low-cost water filter wins innovation prize - BBC News
6 Water-purifying Devices for Clean Drinking Water in the Developing World
Pure Genius: How Dean Kamen's Invention Could Bring Clean Water To Millions
A Brief History of the Evolution of Water Filters | WFA
The History of Water Filters - Water Filter Answers
History Of Water Purification or Filtration
BOSAQ - Did you know, the first patent for a water filter was obtained by Joseph Amy in the mid-1700s. These filters used wool, sponge, and charcoal layers to filter drinking water
Water Treatment in History - Association of Water Technologies
Slingshot Inventor Dean Kamen's Revolutionary Clean Water Machine
LifeStraw Personal Water Filter | Water Filters & Purifiers For Sale
Spasandstuff.com | History of water filters
The Evolution of Water Filtration | Quench Water
GRAYL GeoPress 24 fl. oz. Water Filter & Purifier Bottle – Nature Edit – J Rife Company
NASA - Water, Water, Everywhere!
Ten Awesome Clean Water & Water Purifying Inventions | HeroX
An Invention with a Social Cause: Bangladeshi Scientist Develops Water Filter to Fight the Arsenic Menace
Who invented the water filter? A quick history of water filtration - Home Water Research
Nano-scientists develop new kind of portable water purification system
25 Important Water Filter Facts | FactRetriever.com
EcoSmart Filter - Water Filtration Systems - CLEAR Solutions, Inc.
Five Founding Fathers of Water Filtration-DiscountFilters.com
History of Water Filtration
The History of Water Filtration | Pentair Water Solutions
