... 3.O2 concentration, BREATHING LOOP ETCO2,SELECTETEC VAPORIZER Anesthesia Machinematch ISO13485, ISO9001, CE international quality ... Oxygen Alarm; Apnea; Power Outages. Two high precise vaporizer as to Customer requirement: Halothane, Isoflurance, Enflurance, ... Loop. Integrated Design, Orderliness Respiratory Loop--Part of Vaporizer. Two High Precise Vaporizers. Scope of Concentration Regulation ...