Tobacco smoke filter

摘要: Filter means of a type which is constructed to provide elongated, high surface area, cavities defined on opposite sides relatively thin wall formed filtering material with only the ends filter contacting an overwrapped outer tube thereby presenting maximum available area from products are smoke for filtration. The comprises elongated member in inner crimped disposed. latter has major portions spaced define cavity therebetween. A further interiorly member, being compelled pass through both means, at least one filled sorbent material. Bonded activated carbon disclosed as preferred