... , one N2O, one O2 3,Circle absorber: Compact circle ab the anesthesia machine ARIES 2800Application: Adult, PediatricDriven mode: Pneumatically driven electronically ... /min ~ 10L/minN2O tube: 0L/min ~ 10L/minO2 and N2O linkage deviceAdjust O2 and N2O in proportion ( keep O2 concentration not lower ... .25~ 0.65MpaGauge: 2 units, one N2O, one O2 v the anesthesia equipmet supplier ARIES 2800 with CE marked