Activated carbon fiber cigarette filter

Buccal end device for a smoking rod

Check valve type cigarette mouthpiece

Cigarette filter

Cigarette filter

Cigarette filter and filter cigarette

Cigarette filter having low visible staining

Cigarette filter modifier

Cigarette filter rod elements and cigarettes incorporating such

Cigarette filter rods and cigarettes incorporating such filter r

Cigarette filter unit and method for the production thereof

Cigarette filter with oblique partitions

Cigarette gas filter

Concentric smoking filter having cellulose acetate tow periphery

Concentric smoking filter having cellulose acetate tow periphery

Control of cigarette smoke chemistry

Control of cigarette smoke chemistry

Filter cigarette

Filter for a cigarette and a filter-tipped cigarette

Filter for a cigarette and filter cigarette