Diffusion: Really high-quality particles measuring under 0.1 micron get bounced all around randomly and are slowed by their interactions with atmospheric atoms and molecules. They sooner or later drift or get bounced into a filter fiber, whereupon (over again) they stick in a approach called diffusion. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท We tested the https://mannatureairpurifier.com/