Diffusion: Extremely good particles measuring underneath 0.1 micron get bounced about randomly and so are slowed by their interactions with atmospheric atoms and molecules. They ultimately drift or get bounced right into a filter fiber, whereupon (yet again) they adhere in the course of action known as diffusion. ฝุ่นละออง, เชื้อรา, https://mannatureairpurifier.com/