it can't be said that there is no use, but it can't be said that it is a long-term solution. These are all fumes. Think about how much oil the range hood produces after smoking for a period of time. Even if your air purifier is useful, the filter element will soon be scrapped. After all, these things were not originally used for filtering, and the consumption of this consumable is extremely high. Moreover, if you open the window for ventilation and keep new fumes coming in, even if the air purifier can deodorize it, it will not be so fast.