... 1500ml 3.O2 concentration, breathing loop OPTIONAL: ETCO2, SELECTETEC VAPORIZER Anesthesia Machinematch ISO13485, ISO9001, CE international quality standard--Working Mode: ... ±10%, 50Hz±1%OPTIONAL: ETCO2, SELECTETEC VAPORIZER--Part of Anesthesia Ventilator. CE marked matched European clinic standard. Two Bellows: Adult ... Volume: 180ml CO2 Monitoring is optional function GSM-IIIC anesthesia machine CE