Document
Biosand Filter Frequently Asked Questions
This documents contains answers to frequently asked questions about biosand filters.
Document
Biosand Filter Frequently Asked Questions
This documents contains answers to frequently asked questions about biosand filters.
Language:
Spanish
Format:
Adobe PDF
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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.