Need of the humanity, and its most needful in developing countries where safe drinking water is still a distance dream and majority of the population rely on water sources that are not free of bacteria. I checked the site, it dose not have a price quote, also looking at the system , apparently its not quite portable. So I would expect, the cost of porting it to developing countries may be little more and government initiatives can fund that.
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useful review, thanks. I can add here a little illustration about portability.
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