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HEPA means High-Efficiency Particulate Air. OK, great. What does that mean? HEPA is a super high-tech filter. You probably did not know that it is so high-tech that it was first used during the Manhattan Project in the 1940s.

HEPA filters are used in cars, hospitals, and your home. There is a U.S. Department of Energy regulation that filters must meet to be considered HEPA by the Department of Energy. These filters remove 99.7% of particles in the air (I learned that rounds up to 100% in math). Be careful because filters with names like “HEPA-like” do not necessarily meet the U.S. Department of Energy’s regulations.

HEPA-fully (hopefully, get it?), you learned more about HEPA filters and what it means when your vacuum cleaner says HEPA on it. 

If you have questions about HEPA filters and the indoor air quality of your home, feel free to contact FLAME!


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