1, polypropylene material;
2, multi-color standard, easy to distinguish between different sizes;
3, smooth and rounded contact surface, reducing the patient's cavity damage.

Model number: 3cm, 3.5cm, 4cm, 4.5cm, 5cm, 5.5cm, 6cm, 6.5cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm.
For use when the patient maintains upper airway patency.