recessed filter cigarettes 1960s PARLIAMENT WITH RECESSED, HI-FI TV COMMERCIAL (CIGARETTES KILL) XD45064gg Pall Mall Cigarettes, Recessed Filter

In fact, because the filter causes the smoker to inhale more deeply and more frequently to obtain the needed nicotine and the flavor, thus increasing exposure to poison gases like carbon monoxide, cyanide, and ammonia, filtered cigarettes increase the risk of emphysema, lung cancer, and heart disease

Yes, cigarettes do produce carbon monoxide gas

And the ever-resourceful cigarette industryand resourceful smokerscan always find ways to hide these unpleasant reminders, for example by repopularizing the old-fashioned cigarette case

The only negative thing i must say is that the corners were not finished as well as they could have been