... leakage,Can be upgraded with functions, eg, CO2 Monitor, Multi-parameter Monitor, Anesthesia depth Monitor, etc.CE marked, ... with anesthesia and ventilation, which could be applied to closed anesthesia, semi-closed anesthesia, and semi-open anesthesia, and be applicable to Adult / ... ,Can be upgraded with functions, eg, CO2 Monitor, Multi-parameter Monitor, Anesthesia depth Monitor, etc.CE marked, ...