Document
British Berkefeld Household Filter Fact Sheet
This fact sheet describes filtration of drinking water using the British Berkefeld Household Filter.
Document
British Berkefeld Household Filter Fact Sheet
This fact sheet describes filtration of drinking water using the British Berkefeld Household Filter.
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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.