The Filtron is an inexpensive coated porous clay pot which can purify water. A brilliant application of sustainable technology for the third world. What’s more it’s produced by a group who call themselves Potters for Peace.
‘The Filtron has successfully been laboratory tested in over ten countries on four continents. This technology has been proven effective in eliminating coliforms, parasites, amoebae, and vibrio cholera from water.’