1. It is a small "nose-like" piece of plastic with thin filter paper inside. Play function of filting film to prevent particles, bacteria and other pathogens in the air from entering the respiratory system;
2. An efficient heat and moisture exchanger to warm and humidify inspired air;
3. Designed with oxygen port and sputum suction port.
4. Lightweight, Transparent, Low Breathing resistance;
5. With 15mm standard connection, easy to connect with the tracheostomy tube.