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Concrete Biosand Filter

3 bytes added, 02:41, 14 March 2014
Manuals, videos and links
|{{#ev:youtube|LPAWuws7qMM|200|auto|<center>Clean Water for Haiti - about <br>filters and health training</center>}}
|{{#ev:youtube|9Cj4yO4nLLY|200|auto|<center>Biosand demo <br>by WOH Meyc</center>}}
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|{{#ev:youtube|f5htXA1OVio|200|auto|<center>BioSand water purification <br>filter in Lusaka, Zambia</center>}}
|{{#ev:youtube|zI7vQP18nZo|200|auto|<center>Interview with Biosand Filter<br> (BSF) local entrepreneur <br>Mr. Narayan Pandey <br>from Rupandehi, Nepal}}
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