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Bio-Sand Filters
Built on a small scale at low cost with local materials, Bio-Sand Filters last 25-30 years, do not require electricity or chemicals and are virtually maintenance free. That’s why they are one of the solutions of choice in more than 40 developing countries around the world.
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Clean water is important, but do you know why? What makes Bio-Sand Filters different? How do they actually clean dirty water? Get a primer here.
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Find out how bio-sand filters are made, what’s inside, what materials are used, what filters weigh, read the pro’s and con’s and answers to common questions.
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Bio-Sand Filters are designed to help people one drop at a time. Many users say the filtered water tastes sweet. Find out how filters do it.
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Making Bio-Sand Filters is a precise craft. In this special picture gallery taken in the SAPWII workshop in India learn how these life-giving filters are made.
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Bio-Sand Filters
