The Compact Airway Modules offer a wide range of direct patient ventilation and gas exchange measurements: CO₂, O₂ concentrations, multigas measurement with anesthetic identification, patient spirometry, CO₂ production and O₂ consumption.

Module options with anesthetic agent measurement are designed for the use with the Anesthesia Monitor and Compact Anesthesia Monitor. All other modules are designed for both anesthesia and critical care applications.