| 摘要 |
A tobacco smoke filter or filter element comprising an outer wrapper engaged around a single longitudinal extending core of tobacco smoke filtering material, wherein a first end of the outer wrapper is substantially flush with a first end of the core around which it is engaged, and a second end of the outer wrapper extends beyond a second end of the core around which is engaged, to define a cavity at the second end of the filter; the filter or filter element further comprising an additive distanced from the second end of the outer wrapper and/or core. |
