how to clean cigarette smoke from paintings an oil painting exposed to smoke? Removing nicotine stains from oil

The ones that come with the kit have the highest amounts of nicotine, at about 13-16 mgs

Dust, pet dander, and other types of particulate matter may contain bacteria, viruses, and mold spores, which can grow inside the filter. He says some air purifiers have UVC (Ultraviolet-C) and ionization features that can deactivate or kill these microorganisms, prolonging the filters life and reducing re-exposure risks when replacing the filter

This is called DTL or Direct To Lung and the vaporizer actually actively pushes the vapour past your mouth into your lungs rather than letting you breathe it in

Consequently, they can also become an issue for museums, endangering the artifacts