LOW COST WATER PURIFICATION DEVICE

摘要

The present invention relates to low cost water purification device. In particular the invention relates to point of use water purification devices that do not require running water or electricity. It is an object of the present invention to provide a low cost water purification device that provides for clean potable water, especially to provide a low cost water purification device that can be easily folded and transported and that can be operated when hung up. It has been found that sealing a foldable, flexible, plastic sheet material into housing comprising chambers formed by heat-sealing the plastic housing material together and one or more filters and a disinfection cartridge, provides a light weight, low cost, foldable water purification device that can provide water free from suspended particles, colored bodies, certain pesticides and also 6-log reduction of bacteria, 4-log reduction of viruses and 3-log reduction of cysts.