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Smoke filter includes a filter material, an additive container, and an additive that transfers the released additive from the member; the member is provided with an additive container and a filter rod.
Smoke filter includes a filter material, an additive container, and an additive that transfers the released additive from the member; the member is provided with an additive container and a filter rod.
A smoking article filter (3) comprises an additive-containing member (2) to selectively release additive inside the filter and an additive-transfer member (5) to transfer additive released from the additive-containing member to the periphery of the filter to indicate that the additive has been released.
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