For air circulation in the kitchen could still be clean, it is necessary to air exhaust which serves to allow air in it can be changed continuously, especially the kitchen which is quite a lot of smoke when you are cooking.
Air exhaust can be installed above the kitchen fireplace in location or in case the lot of smoke. With clean air conditions, of course, when used for cooking will still feel comfortable and no air pollution.
The size and material often used to make air exhaust is made of steel. This material has become one of the options for a variety of kitchen equipment because it has many advantages, one of which is anti-corrosive. As for the size adjusted to the kitchen itself. If the size is quite large, of course, the presence of special space in order to function optimally.