Hepa Filter Particle Size Chart. Hepa filters for air cleaners and high efficiency particulate air. Hepa filters are ideal for very small particles measured in micrometers or microns and are represented by the symbol µm.
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It is an acronym for high efficiency particulate air filter as officially defined by the u s. Hepa filters for air cleaners and high efficiency particulate air. Hepa filters are ideal for very small particles measured in micrometers or microns and are represented by the symbol µm.
It is an acronym for high efficiency particulate air filter as officially defined by the u s.
Hepa filters for air cleaners and high efficiency particulate air. Hepa filters are ideal for very small particles measured in micrometers or microns and are represented by the symbol µm. To put particle size into perspective a human hair ranges in size from 17 181 microns in diameter most allergy causing pollen is 10 40 microns duct particles can be as small as 2 5 10 microns bacteria are generally in the range of 0 3 5 microns and viruses the smallest particles range in size from 0 004 0 1 microns. It is an acronym for high efficiency particulate air filter as officially defined by the u s.
