View source for Biosand filter

[[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. 

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== 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&amp;feature=related
* Demo [http://www.youtube.com/watch?v=9Cj4yO4nLLY&amp;feature=related www.youtube.com/watch?v=9Cj4yO4nLLY&amp;feature=related ] 
* [http://www.youtube.com/watch?v=aLKwH68LjnM www.youtube.com/watch?v=aLKwH68LjnM ]
* Ghana [http://www.youtube.com/watch?v=4sebVBgBLKY www.youtube.com/watch?v=4sebVBgBLKY ]
* 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