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This type of filter can remove the big particulates you can see such as dust, human and animal hair, as well as pet dander. This allows the HEPA to remain unclogged so that it can remove microscopic particles effectively.
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HEPA---Any air cleaner that has any chance of successfully removing airborne particles should use this type of technology. High efficiency particle arresting (HEPA) filters are designated as such because they can remove 99,997 out of every 10,000 airborne particulates that are .3 microns or larger. A micron is defined as one millionth of a meter so it's clear to understand the depth of filtration that this filter makes possible.
Carbon Cloth---This type of filtration was originally developed by the British Military to combat chemical warfare, and its make-up allows it to serve a dual purpose. Because it is made of carbon it is able to remove gaseous pollutants such as [link widoczny dla zalogowanych] smoke, odors, and noxious chemicals. But because it is woven like a cloth, it gives additional protection against particles [link widoczny dla zalogowanych] as well.
Since particles come in all sizes, a purifier should contain a canister of filters that can address the wide range of particles size. Pre-filters are [link widoczny dla zalogowanych] an [link widoczny dla zalogowanych] excellent indication that a purifier will address particles of many sizes and the presence of a HEPA in the canister confirms that it is a serious and effective solution for particle removal.
The last thing to look for is a guarantee on [link widoczny dla zalogowanych] the filter's ability. Any manufacturer who is able to stand behind their filter for years rather than months is an indication of [link widoczny dla zalogowanych] the effectiveness that you can expect from the cleaner.

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