it is necessary to understand that there are many types of flue ducts for oil fume purifiers. generally speaking, a fume purifier can be installed before it is installed. the flue can also be divided into two types: partition type and partition type without partition type. the partition flue is good for ventilation and ventilation, and it can also effectively prevent the oil smoke from condensing in the pipeline; the partition flue is usually made of traditional tempered glass, and the appearance is overall beautiful, but special attention must be paid to prevent the oil smoke from condensing on the glass. it is very important to choose the most suitable flue material according to the actual situation of his family.