Kitchen range hoods are in the small category of 1 106. From a legal point of view, others really can't register the contents of 1 106. The range hood is a machine that quickly exhausts the off-flavor, high temperature and oil fume gas generated in the process of food processing in the kitchen. Various frying, frying, steaming, boiling, frying, baking and other equipment in the kitchen constantly produce various high-temperature, humid and polluted gases in the process of processing food. Accumulate to a certain extent, the kitchen is not suitable for continuing to work. Therefore, a fan should be used to exhaust the polluted gas in the kitchen through the smoke exhaust pipe.