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/
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/
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Contact usCAWST 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.