Generally, in the welding situation, the welding heat is transmitted to the inside of the mask, and the user becomes more frustrated by the hot heat. And in hot weather, the heat in the mask and the hot air make the inside of the mask feel more hot.
This product blows cool air inside the mask to prevent hot heat. At the waist, the car puts ice in a stainless steel tumbler to cool the surrounding air and blow air into the lake or mask through the fan. Blows cold air over the front of the face by blowing wind over the top of the head to make it totally cool.