Just like a vacuum cleaner, AIRMAX Clean Mat sucks and blocks harmful substances, including fine dust, sand, bacteria, etc. which flow in through shoes for a pleasant indoor environment. When people step on or approach to the mat, it detects that and activate the motor to suck the foreign matters into the internal mat as the area of the activated. In addition, it maximizes the rate of removal of foreign matters into the mat through the external air inflow valve by our patented inducing technology.