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[[Image:Biosand_filter_icon.png|right]] ==Biosand Filter manual== This [http://www.biosandfilter.org/biosandfilter/files/webfiles/BioSandFilter_Construction_Guidelines.pdf manual] provides a detailed and highly visual instruction set to building a biosand filter. {{Joinus}} == Movie ==* How the BioSand Filter Works [http://www.youtube.com/watch?v=hb0xf3mRbJM http://www.youtube.com/watch?v=hb0xf3mRbJM]
* Health and filters [http://www.youtube.com/watch?v=LPAWuws7qMM&feature=related
* Demo [http://www.youtube.com/watch?v=9Cj4yO4nLLY&feature=related www.youtube.com/watch?v=9Cj4yO4nLLY&feature=related ]
* Zambia [http://www.youtube.com/watch?v=f5htXA1OVio&feature=related www.youtube.com/watch?v=f5htXA1OVio&feature=related ]
== External links ==* Organisation [http://www.cawst.org CAWST - Centre for Affordable Water and Sanitation Technology]* Organisation [http://biosandfilter.org/biosandfilter/ http://biosandfilter.org/biosandfilter/ ]* Organisation [http://turnonthetap.ca Samaritan's Purse Canada - Turn on the Tap]* [http://www.cawst.org/assets/File/BSF_Literature_Brief.pdf Scientific studies on biofilters] ==References==1) http://www.oasisdesign.net/water/treatment/slowsandfilter.htm