It is necessary to install the Red River environmental protection super eight oil fume purifier. The inspection is not so strict at present. If you don't install a fume purifier, residents will complain and have to install it. Hotels, canteens, hotels, restaurants, food cities, etc. As long as there is smoke exhaust in the kitchen, it is necessary to install the Red River Environmental Protection Super Eight Fume Purifier. The specific price needs to consult the local company. And don't forget to match the appropriate fan when installing the lampblack purifier.