When I wake up every morning, I feel suffocated, nauseated, and even dizzy. Although I don’t smoke and rarely come into contact with the smoking environment, I often feel uncomfortable in my throat. As soon as I go to work, I feel a sore throat and fatigue after a long …
Read More »Which is Effective to Remove PM2.5
HEPA Filter Handheld Air Purifier Cars The principle to purify the air is the built-in fan to extract the air-mechanically filtered through the filter. When particles collide with the filter, the air purifier will block some large particles of dust in the filter. At present, handheld air purifier cars with higher specifications …
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