Cloth filters - Appropedia, the sustainability wiki
Cloth filters are an extremely simple, low-resource method of cleaning water, using cloth folded to 4 or 8 layers, draped over a wide-mouthed water vessel. In tests, results have varied, but they have reached up to 99% efficacy at removing pathogens.[verification needed]
Cloth filters - Appropedia, the sustainability wiki Jump to content From Appropedia Cloth filters are an extremely simple, low-resource method of cleaning water, using cloth folded to 4 or 8 layers, draped over a wide-mouthed water vessel. In tests, results have varied, but they have reached up to 99% efficacy at removing pathogens. [ verification needed ] Old cotton saris work best, and thus the term sari filter (or saree filter ) is often used. In India many of the women wear Sari's. A Sari is a cloth that women wear that is usually very long and unstitched. It is a very traditional
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