Water filtration units for five families, could provide 600 gallons of safe drinking water for each family. 4,000 children die every day due to the lack of access to clean drinking water. Forty percent of school-age children worldwide are infested with worms and other water-borne infections, which inhibit their growth and brain development. Through a simple, gradual overnight process, water filtration units can transform even highly polluted water into safe drinking water that meets World Health Organization standards.