For all parts of the country, now the Environmental Protection Bureau is very strict about the catering industry. If you don't install it, the Environmental Protection Bureau will definitely let you rectify and stop rectification. This is necessary. If it is installed, the EPA will not check it? Not necessarily. We check it several times a month when we are cooking here. As long as you install it and pass the environmental protection, don't be afraid. What my home installed is the Tenny brand fume purifier. According to your actual situation, the manufacturer will help you match the machine well. If it is installed according to the manufacturer's requirements, it is no problem to be environmentally friendly, and this brand has been tested in the market in 2119. It is an old brand, trustworthy and good after-sales. The landlord can think about it.