There are two styles, one is with cuff the other is no-cuff.
Nasal endotracheal tube with cuff is compose of polyvinyl-chloride tube, the check valves, the instructing ball, the inflation tube, the cuff, the connector and so on.

Nasal endotracheal tube without cuff is compose of polyvinyl-chloride tube, the modular connector and so on.
Use for setting up the artificial airway and connect to the anesthesia machine.

SIZE:
3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0