Open cell structure foamed cellulose acetate filters
Polyolefin filter tow and method of making it
Process for producing a filtering structure in particular for ci
Smoke filtration
Smoking article filter
Smoking articles
Tobacco filter material and a method of producing the same
Tobacco filter stock
Tobacco filters and method for forming same
Tobacco filters and method for producing same
Tobacco filters and method of producing the same
Tobacco filters and method of producing the same
Tobacco smoke filter incorporating sheath-core bicomponent fiber
Ultra-high filtration filter
Ventilated cigarette
Ventilated thermoplastic polymer foam filter rods