Inside airflow is 100% critical.
The atmosphere isn’t a stagnant environment. The minute that person moves, what is suspended in the air will also move about. Whether it’s 2 ft or 6 ft, the particles will move about.
Actually filtering particles is the only effective way. The key word is effective. The low level masks widely used in public are more for ease of mind than actually being beneficial. A 400 sandpaper can remove paint but it takes a lot of sandpaper and time to accomplish it so that’s why you utilize a sandpaper designed for removing paint.
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In response to this post by AbsolutVT03)
Posted: 12/23/2020 at 05:37AM