Diffusion: Incredibly Great particles measuring down below 0.1 micron get bounced all-around randomly and therefore are slowed by their interactions with atmospheric atoms and molecules. They finally drift or get bounced right into a filter fiber, whereupon (once more) they stick in a system identified as diffusion. บ้านเครื่องฟอกอากาศเครื่องกรองอากาศเครื่องวัดคุณภาพอากาศ Since this waiting for link from Social Network Posts (16)