Install Alternate Biosand Filter (BSF) Containers
See different Biosand Filter (BSF) designs and learn how to install them correctly.
For more information check out the links below: Non-standard biosand filters Minimum depth of filtration sand, underdrain gravel and separating gravel
Install Alternate Biosand Filter (BSF) Containers
See different Biosand Filter (BSF) designs and learn how to install them correctly.
For more information check out the links below: Non-standard biosand filters Minimum depth of filtration sand, underdrain gravel and separating gravel
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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.
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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.
