... easy to operate, applicable to basic hospitals 3. high precision flowmeters 4. compact design ANESTHESIA VENTILATOR Driven ... failure, Silence time for alarm, Alarm for oxygen supply failure.Anesthesia machine flowmeterO2 0.110L/minN2O 0 ... oxygen failure,Overflow valve, Safety valve, N2O cut-off with oxygen failure.Photo 1 Piece/Pieces Portable Anesthesia machine with ventilator, High quality equipment ...