black box of cigarettes American Spirit Perique - Pack Unbranded Cigarette Boxes W/insert -

Run the purifier on a middle speed setting continuously for the first 4872 hours, then drop to a maintenance setting

[1] A 2011 report in the International Journal of Environmental Research and Public Health (IJERPH) lists 65 carcinogens or possible carcinogens: "Our list of hazardous smoke components includes all nine components reported in mainstream cigarette smoke that are known human carcinogens (IARC Group I carcinogens), as well as all nine components that are probably carcinogenic to humans (IARC Group 2A carcinogens)

[10] Spliff [edit] A spliff is a joint rolled with some tobacco

& Flagan, R

Below that should not be a problem

You may need to redo the procedure if the nicotine smell and stains remain