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1. | The Benefits of HEPA Air Purifiers
The military designed the first HEPA filter in the 1940s for use in the Manhattan Project, when safety from free-floating nuclear material was a primary concern. Today, HEPA air purifiers are very widely used to remove dust, pollen, mold, bacteria, and other airborne particles. They are perhaps the most ...
[Added: 15 Dec 2005 Hits: 373 Words: 320]
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