An inhaler article holder comprising: a housing defining a housing cavity; a sleeve positioned within the housing cavity, the sleeve is arranged to receive an inhaler article, the inhaler article comprising a body extending along an inhaler longitudinal axis from a mouthpiece end to an inhaler article open distal end and a capsule disposed within the inhaler article body, the sleeve is movable within the housing cavity between a first position and a second position along a longitudinal axis of the housing cavity, the sleeve comprises: a sleeve cavity defined by the sleeve; a first open end configured to receive an inhaler article; a second end opposing the first open end, the second end comprises an end wall at least partially closing the second end; a tubular member fixed to the end wall and extending, a first length from the end wall to a tubular member open end, into the sleeve cavity the tubular member defining a tubular member cavity having a tubular member longitudinal axis, the tubular member configured to slide into the inhaler article open distal end; and at least two air inlets extend into the tubular member cavity; the at least two air inlets extend orthogonally to the tubular member longitudinal axis, the at least two air inlets enter the tubular member cavity tangentially to induce a swirled airflow pattern on inhalation air entering the sleeve cavity, the at least two air inlets each enter the tubular member cavity adjacent to the end wall and each of the at least two air inlets have a lateral opening dimension in a range from about 0.2 mm to about 0.5 mm; a spring member configured to bias the sleeve away from the second position to the first position; and a piercing element arranged to pass through the end wall and pierce the inhaler article received within the sleeve when the sleeve is in the second position. a housing defining a housing cavity; a sleeve positioned within the housing cavity, the sleeve is arranged to receive an inhaler article, the inhaler article comprising a body extending along an inhaler longitudinal axis from a mouthpiece end to an inhaler article open distal end and a capsule disposed within the inhaler article body, the sleeve is movable within the housing cavity between a first position and a second position along a longitudinal axis of the housing cavity, the sleeve comprises: a sleeve cavity defined by the sleeve; a first open end configured to receive an inhaler article; a second end opposing the first open end, the second end comprises an end wall at least partially closing the second end; a tubular member fixed to the end wall and extending, a first length from the end wall to a tubular member open end, into the sleeve cavity the tubular member defining a tubular member cavity having a tubular member longitudinal axis, the tubular member configured to slide into the inhaler article open distal end; and at least two air inlets extend into the tubular member cavity; the at least two air inlets extend orthogonally to the tubular member longitudinal axis, the at least two air inlets enter the tubular member cavity tangentially to induce a swirled airflow pattern on inhalation air entering the sleeve cavity, the at least two air inlets each enter the tubular member cavity adjacent to the end wall and each of the at least two air inlets have a lateral opening dimension in a range from about 0.2 mm to about 0.5 mm; a sleeve cavity defined by the sleeve; a first open end configured to receive an inhaler article; a second end opposing the first open end, the second end comprises an end wall at least partially closing the second end; a tubular member fixed to the end wall and extending, a first length from the end wall to a tubular member open end, into the sleeve cavity the tubular member defining a tubular member cavity having a tubular member longitudinal axis, the tubular member configured to slide into the inhaler article open distal end; and at least two air inlets extend into the tubular member cavity; the at least two air inlets extend orthogonally to the tubular member longitudinal axis, the at least two air inlets enter the tubular member cavity tangentially to induce a swirled airflow pattern on inhalation air entering the sleeve cavity, the at least two air inlets each enter the tubular member cavity adjacent to the end wall and each of the at least two air inlets have a lateral opening dimension in a range from about 0.2 mm to about 0.5 mm; a spring member configured to bias the sleeve away from the second position to the first position; and a piercing element arranged to pass through the end wall and pierce the inhaler article received within the sleeve when the sleeve is in the second position.