Diffusion: Incredibly Good particles measuring under 0.one micron get bounced all over randomly and are slowed by their interactions with atmospheric atoms and molecules. They finally drift or get bounced into a filter fiber, whereupon (all over again) they stick within a course of action referred to as diffusion. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน https://www.mannature.com/products/detail/airpurifier