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Membrane Filters for Household Water Treatment

This technical brief explains what membrane filters are and how they work. It shows different types of household membrane filters, by pore size, membrane configuration, and container setup. It lists and describes criteria to consider when evaluating whether a membrane filter is appropriate for your context. Finally, it introduces some limitations you should be aware of before using household membrane filters.

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About 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.