GCR104801 & GCR104804 & GCR104803 & GCR104802

Bacterial & viral’s retention：humidifying，heating the breath between patients and the machine.

GCR104805 & GCR104808

Humidifying，heating the breath between patients and the machine,corrugation pipe.

GCR104806

With sponge inside，humidifying，heating the breath between patients and the machine; corrugation pipe.