Diffusion: Pretty good particles measuring down below 0.1 micron get bounced all-around randomly and so are slowed by their interactions with atmospheric atoms and molecules. They eventually drift or get bounced into a filter fiber, whereupon (once more) they adhere in the course of action termed diffusion. จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น The https://www.mannature.com