... easy to operate, applicable to basic hospitals 3. high precision flowmeters 4. compact design ANESTHESIA VENTILATOR Driven modesPneumatically ... 1, 2:3, 1:2, 1:3Displayhigh luminance LED displayventilator compliance≤4mL/100PaSafety pressure in the airway system ... valve, Safety valve, N2O cut-off with oxygen failure.Photo 1 Piece/Pieces Portable Anesthesia machine with ventilator, High quality equipment