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HEPA - Wikipedia
https://en.wikipedia.org/wiki/HEPA
WEBHEPA (/ ˈ h ɛ p ə /, high-efficiency particulate air) filter, also known as high-efficiency particulate absorbing filter [citation needed] and high-efficiency particulate arrestance filter, is an efficiency standard of air filters. Filters meeting the HEPA standard must satisfy certain levels of efficiency.
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What is a HEPA filter? | US EPA
https://www.epa.gov/indoor-air-quality-iaq/what-hepa-filter
WEBMar 5, 2024 · HEPA is a type of pleated mechanical air filter. It is an acronym for "high efficiency particulate air [filter]" (as officially defined by the U.S. Dept. of Energy). This type of air filter can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns (µm).
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How do HEPA air filters work? - Explain that Stuff
https://www.explainthatstuff.com/hepafilters.html
WEBNov 16, 2021 · An easy-to-understand explanation of how HEPA filters clean the air by using densely matted fibers to trap dust and dirt particles.
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9 of the Best HEPA Air Purifiers & How to Choose - Healthline
https://www.healthline.com/health/hepa-air-purifier
WEBJul 30, 2021 · A high efficiency particulate air (HEPA) filter is a pleated device that can remove particles from surrounding air. A number of devices use these filters, such as air purifiers, which are...
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What is a HEPA Filter and How Does it Work? – Smart Air
https://smartairfilters.com/en/blog/what-is-hepa-filter-how-hepa-air-filter-work/
WEBApr 17, 2024 · HEPA filters are high efficiency filters that typically capture over 99.5% of all particulate pollution. They’re made from either plastic (PP+PET) or fiberglass, and can capture things like pollen, viruses, bacteria, mold and PM2.5. Diffusion also means they are highly effective at capturing nanoparticles too.
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HEPA Filter Efficiency, Certification, And Testing (US Standards)
https://www.air-quality-eng.com/air-cleaners/hepa-filters/
WEBFeb 25, 2022 · A HEPA filter is a special type of mechanical filter that’s made out of hundreds of thousands of intertwined fiberglass or plastic fibers. This creates a web that traps various airborne particles. In the U.S., all HEPA filters must capture at least 99.97% of fine airborne particles with a size of .3 microns, which is the particles size that ...
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HEPA Filter Benefits for Allergy Relief - WebMD
https://www.webmd.com/allergies/hepa-filters-for-allergies/
WEBDec 10, 2022 · HEPA stands for high-efficiency particulate air. A HEPA filter is a type of mechanical air filter; it works by forcing air through a fine mesh that traps harmful particles such as pollen,...
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HEPA Filter Types + Mechanisms Of HEPA Filter Filtration
https://learnmetrics.com/hepa-filters/
WEBIn this overview article about HEPA filters, we will explore: What HEPA filters actually are, and what kind of particles they capture (dust, smoke, pollen, etc.). Different types of HEPA filters, such as HEPA-like, True HEPA, H13 “medical grade” HEPA filters.
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What Is a HEPA Filter & How Does It Work? | ISO-Aire
https://www.iso-aire.com/blog/what-is-a-hepa-filter-and-how-does-it-work
WEBAug 13, 2020 · What Is a HEPA Filter? A high-efficiency particulate air (HEPA) filter can remove 99.97% - 99.99% of airborne particles that are equal to, smaller or larger than 0.3 microns in size . The efficiency is rated based on the worst level possible, so think about it as 99.97% or BETTER.
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7 HEPA air purifiers to consider - Medical News Today
https://www.medicalnewstoday.com/articles/hepa-air-purifier
WEBSep 28, 2021 · A high-efficiency particulate air (HEPA) filter is a high-quality device that the Department of Energy (DOE) states must remove 99.97% of particulates from the air. Quick links. Best...
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