Filter cigarette having filter containing absorptive synthetic g

Filter cigarette having rotatable adjustment

Filter cigarette having rotatable adjustment

Filter containing a metal phthalocyanine and a polycationic...

Filter device

Filter element

Filter for a cigarette and a filter-tipped cigarette

Filter for a cigarette and filter cigarette

Filter for a smoking article

Filter for a smoking article containing a flavored hollow fiber

Filter for cigarette smoke

Filter for reducing the toxic effects of cigarette tobacco smoke

Filter for removing nitrogen oxides from tobacco smoke

Filter for tobacco smoke

Filter for tobacco smoking

Filter material

Filter material for the removal of nitric oxide

Filter materials

Filter mouthpiece for a smoking article

Filter plug