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Siphon filter

1 byte added, 03:10, 24 November 2012
Acknowledgements
==Acknowledgements==
* [https://www.diageogivingforgood.com/how_filters_work.aspx The CrystalPur filter]. World Health Works (WHW) , a spin-off of EnterpriseWorks/VITA, makes the CrystalPur filter, which was introduced in response to the need for low-cost domestic water filters in developing countries.
* Safe Water Today: Supporting Global Water Projects [http://www.safewatertoday.org/]
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