Biosand filter - Alchetron, The Free Social Encyclopedia
Biosand filter - Alchetron, The Free Social Encyclopedia
1 month ago
alchetron.com
You're helping families and schools in Vietnam and Indonesia use efficient, low-cost biosand filters to make sure they have clean water for drinking and cooking. Change a family's life this Christmas for $30 by giving a biosand filter: cwsbestgift.org/gift/biosand-water-filter/ | CWS | Facebook
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You're helping families and schools in Vietnam and Indonesia use effic…
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FacebookCWS
Benefits of Biosand Filters — Wabash Valley Riverscape
Benefits of Biosand Filters — Wabash Valley Riverscape
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One BioSand water filter can help a family or even a small community have clean water and live healthier lives—and can last up to 20 years. | Gospel for Asia
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One BioSand water filter can help a family or even a small community …
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