Definition of HEPA
: being, using, or containing a filter usually designed to remove 99.97 percent of airborne particles measuring 0.3 micrometers or greater in diameter passing through it
From the M-W Editors
Origin and Etymology of hepa
high-efficiency particulate air (filter)
Medical Dictionary
HEPA
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adjective
\ˈhep-ə\
Medical Definition of HEPA
: being, using, or containing a filter usually designed to remove 99.97% of airborne particles measuring 0.3 microns or greater in diameter passing through it HEPA filters HEPA vacuum cleaners
Origin and Etymology of hepa
high efficiency particulate air
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