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Gravity Water Filters Safe drinking water is often taken for granted, yet in many parts of the world reliable supplies of clean water are at a premium. In many circumstances, a piped supply is not available and surface water from rivers, streams or water holes present the only source of water. In this case, the water many appear unclear and have an unpleasant taste, but more importantly is often a source of disease. Even clear and apparently fresh water may be polluted with the disease causing pathogens. Two models are available. Both filters are compact, portable and simple to operate. Requiring no external plumbing, each filter takes only minutes to assemble and can provide up to 20 gallons of safe drinking water each day. This ease of operation combined with a proven effectiveness at eliminating water-borne diseases such as cholera and typhoid, has lead to the filter being specified for field operations by many of the world's major aid and emergency relief organizations.
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