An air treatment media dispenser assembly that passively delivers an airtreatment media to an environment. The dispenser assembly includes a carriagethatis constructed to removably cooperate with a replaceable container. Thecontainerslidably cooperates with the carriage in a manner wherein the container issecured tothe carriage without perforation of the container and, when axially translatedrelativeto one another, perforates a seal of the container to allow egress of thecontents of thecontainer to the carriage and subsequent passive communication of the media toanenvironment.
