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	CAWST Technology Talk: The Biosand Filter (CAWST) View
	CAWST Biosand Filter Mold Instructional Video (CAWST) View
	Malawi Water Project--Biosand Filters (CAWST) View
	The Biosand Filter Origin Story with Dr. David Manz (CAWST) View
	Steel Mold Properties to Build a Biosand Filter (BSF) (CAWST) View
	Disinfect the Outlet Tube on a Biosand Filter (BSF) (CAWST) View
	Prepare the Mold to Build a Biosand Filter (BSF) (CAWST) View
	Install Alternate Biosand Filter (BSF) Containers (CAWST) View
	Wash Separation and Drainage Gravel for the Biosand Filter (BSF) (CAWST) View
	CAWST Instructional Video: Biosand filter sand grain size analysis (CAWST) View