The term HEPA has become synonymous with clean air. We hear about vacuum cleaners with HEPA filters that keep the dust particles from your carpets from floating back into your air. You may be aware of your office building have a HEPA filtration system because youve seen the maintenance crew come through and periodically change the filters. But do you really know what a HEPA filter is and does. This article should clear the air about what is fact and what is fiction as it rel…
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