Greatcare Medical is a professional manufacturer and supplier of ETCO2/O2 Nasal Cannula in China, The ETCO2O2 Nasal Cannula is designed to monitor every breath of a nonintubeted patient by sampling the CO2 while delivering oxygen at the same time. The split nasal prong design allows separation of the CO2 readings and the delivery of oxygen, and helps produce a sharp wave form for clinician diagnostics.