MAQUET Servo Humidifier 163; Model No.: 01-06-8125-8, catalog no. XKC01-06-8125-8. || A heat and moisture condenser (artificial nose) is a device intended to be positioned over a tracheotomy (a surgically created opening in the throat) or tracheal tube (a tube inserted into the trachea) to warm and humidify gases breathed in by a patient.