c832be2d_Facts_and_figures___SciDev_Net__Product
[How it works] Filter using a nanofibre layer, made up of polymers, resins, ceramic and other materials, that removes contaminants [Importance] Designed specifically for household or community-level use in developing countries. The filters are effective, easy to use and require no maintenance [Developer] KX Industries, United States [Product] 
World filter
Nanotechnology for clean water: Facts and figures - SciDev.Net