Diffusion: Incredibly Fine particles measuring underneath 0.one micron get bounced all-around randomly and therefore are slowed by their interactions with atmospheric atoms and molecules. They finally drift or get bounced into a filter fiber, whereupon (yet again) they stick in a very course of action named diffusion. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน As well Successfully Submitted (Awaiting Approval)