The wind really comes from the above,air can be supplied freely form the face of cooker you do not need to adjust the wind knob and open the channel of incoming air.it is very safe and the fire will not come back;the panel is made of luxury stainless steel or non-stick optional;impulse style ignition with high quality ensures 4000times accurately and safely to strike fires without any trouble;fire cover with special technology & high quality is durable & never deformed. It makes fire distributed evenly.