Designed for the unique needs of the military to handle austere environments, the 330 Multifunction Aspirator features a Smart Help display to guide the operator through on-screen commands when responding to alarms; Smart Flow™ for extremely quiet operation during patient care; and Silent and Dark Mode to prevent interference with advanced infrared night-vision equipment. Airworthiness Release certified, the 330 is approved for use during all phases of flight aboard fixed-wing and rotor U.S. military aircraft.