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The effects of the hepa filter replacement

HEPA is an air filter that removes at least 99.95% of dust, bacteria, pollen, mold, and other airborne particles between 0.3 and 10 micrometers (µm) in diameter.
        Sometimes manufacturers report an additional number called an efficiency rating. Generally, HEPA filters are classified in the European Union as either H13 or H14, the latter defining filters capable of retaining more than 99.995% of particles in this size range.
        Other companies use terms like “HEPA grade/type/style” or “99% HEPA” to advertise products, but this is essentially a no-brainer for filters that are not HEPA compliant or, at best, have not been properly tested. testing. values.

  In addition to removing particulate matter from the air we breathe, some filters also promise to remove odors and gases. This can be done with an activated carbon filter that removes volatile organic compounds, odors and gases such as NO2.
       Also known as carbon filters, they are made from a porous material and work using a process called adsorption, in which pollutants adhere to carbon molecules but are not absorbed.
        Ionic filters work by charging particles inside the room, making them easier to attract and trap in the filter, or cause them to fall to the ground. For example, while this can help deal with smoke particles, this feature releases ozone as a by-product, which, depending on the level produced, can lead to lung irritation.

 


Post time: Sep-27-2022

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