May 4, 2021
The Biosand Filter
In this unboxing video you'll discover how the Biosand Filter can be used to make your water safe to drink. For more information on the Biosand Filter, check out CAWST's Biosand Filter Knowledge Base: https://www.biosandfilters.info/
May 4, 2021
The Biosand Filter
In this unboxing video you'll discover how the Biosand Filter can be used to make your water safe to drink. For more information on the Biosand Filter, check out CAWST's Biosand Filter Knowledge Base: https://www.biosandfilters.info/
Select a language
Need help?
Can’t find what you need? Have more questions about a topic? Need advice on how to use a resource? Chat with a CAWST advisor.
Contact usAbout CAWST
CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.
Supported by
Development of this website and creation of collections of emergency themed tools on Water Treatment, Water Quality Testing, Behavior Change and Sanitation funded by Bureau of Humanitarian Assistance - USAID.
This project is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of CAWST (Centre for Affordable Water and Sanitation Technology) and do not necessarily reflect the views of USAID or the United States Government.
