the necessity of a restaurant fume purifier in zhengzhou. restaurant fume has polluted the air in the city to a great extent and posed a great threat to the health of residents. oil smoke can affect a person's respiratory tract and lungs, putting the body in an unhealthy state. therefore, considering people's health and environmental protection, installing restaurant fume purifiers has become a popular trend. types of restaurant fume purifiers there are two types of restaurant fume purifiers: commercial and household. commercial oil fume purifiers are often used in restaurants, hotels, kitchens and other places, and are mainly used to purify high-pollution oil fume.