AEROSOL GENERATION DEVICE

An inhaler comprising a detachable heating unit; a power supply; a case; a chassis accommodated in an internal space of the case; a plurality of magnets arranged with a gap therebetween and held by the chassis; an inner member covering a side surface of the chassis; an outer member covering an outer surface of the inner member, wherein the outer member is replaceably fixed to the case by said plurality of magnets held by the chassis so as to cover an outer surface of the inner member.