Varies ventilation modes With Prunus patent Freeflow function, the excellent ventilation synchronicity of the ventilator makes patient more comfortable. The automatic heat unit of the Autoclavable ventilation valve avoid water condensation, which keep the tidal volume accurate.Water cup is not necessary in the expiration end. Optional Spont data monitor: NIF, P0.1, RSB,Rcexp,etc. Optional Masimo CO2 monitoring module (mainstream) Color touch screen with big font view.