[xnyan]

This is not correct. Activated carbon is very effective and in wide use for odor removal.

[Havoc]

>This is not correct.

No it's not.

That 200 USD fine for smoking in hotel rooms? What do you think happens afterwards? Buy a bunch of activated carbon filters? Or get a professional ozone odor removal provider to roll in their with their gear?

[hajimemash]

This is correct, but this is incorrect.