Guedel Airway: The center passage permits the passage of suction catheters to Clear secretions from the back of the throat. Clear plastic is conductive and color-coded for size. Triple-purpose airway serves as a bite block and tongue depressor to avoid crimping and Protect teeth. Disposable, single-use Guedel airway automatically curves to the contour of the pharynx. Smooth rounded tip reduces trauma to upper airway, and the flat surface helps ensure patient comfort. Individually packaged. Size 4, 90 mm. Yellow. 10/bx.