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What Is HEPA?
September 18, 2005
Filed under: Air Purifier Essential Reading — Administrator @ 11:15 am
So what exactly is HEPA?…
HEPA means: High Efficiency Particulate Air and is a technology that was developed by the U.S. Atomic Energy Commission during the 1940’s for the purpose of an efficient method of filtering radioactive particulate contaminants. HEPA is a very efficient filtration method which takes away microscopic particles from the surrounding air when it passes through the HEPA filter. HEPA filters span a variety of efficiency’s which depends on the size of particles. The top performing HEPA air purifier removes up to 99.97% of particles only allowing particles of a size of 0.3 microns or less through the filter. HEPA air purifiers are unable to remove chemical gasses from the air.