Herbal cigarettes are most often made using standard-issue rolling papers and cigarette filters.

In its solid form, it is the brown, tacky substance that is left behind on the end of the cigarette filter.

No word here about secondary smoke - the air pollution that doesn't go through a cigarette filter.

On the table is an ashtray full of cigarette filters.

I cut it to the length of a cigarette and put a cigarette filter in one end.

The recall also resulted in public finger-pointing between the company and its main supplier of cigarette filters.

Pig blood is used for cigarette filters and toothpaste.

The first commercial cigarette filters came into use in 1935.

He was criticized in 1967, when Columbia tried to profit from a cigarette filter whose value many found questionable.

The woman, he said, had apparently survived because she swallowed less of the poison, which was hidden in the cigarette filters.