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Why do the filters of European cigarettes have small holes in them?


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January 04, 2013 10:50PM

The filter is perforated with tiny holes that dilute the smoke with air. As such, the inhaled smoke contains less tar and nicotine. In theory, this should make the cigarette "safer" than full flavor ones. In practice, however, the average smoker compensates by inhaling more deeply or by covering parts of the holes with fingers or lips.