... 2.easy to operate, applicable to basic hospitals 3. high precision flowmeters 4. compact design ANESTHESIA VENTILATOR Driven modesPneumatically driven ... volumeRespiratory rateAlarmsUpper airway pressure limit, Lower airway pressure limit, Power failure, Silence time for alarm, Alarm for oxygen supply ... .Photo 1 Piece/Pieces Portable Anesthesia machine with ventilator, High quality equipment