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Showing results for tags 'biosand filters'.
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Paul posted a topic in Self SufficiencyArt, I am talking with a lady now, who has her own (small) NGO, here in Cambodia. She wants to try to get water filters to those who do not have clean water available to them, here in Cambodia. Biosand filters can be built for about $12 USD, each. I hope this works out, so we can help even a few people. I mean, everyone deserves clean water to drink, for Pete's sake.