The smoke filter comprises the first and the second pathways, the second pathway is prepared around the first pathway, a selective selector allowing selective flow of the first and second pathways, and a selective release assembly. Comments more than a month ago

摘要

p Filter for a smoking article, wherein the applicant characterizes that the filter comprises a first flow path through the filter, a second flow path through the filter, the second flow path is arranged around the first flow path, a selector to allow selectively flow through the first and second flow path, and an additive release component for the selective release of an additive. / p