- Used to maintain an unobstructed oro-pharyngeal airway
- Made from rigid, non-toxic medical grade PVC
- Color coded in-built bite blocks to avoid airway
occlusion and biting of tongue
| Sizes | Color Code | Sizes | Color Code |
| 000 | – | 2 | Green |
| 00 | Blue | 3 | Yellow |
| 0 | Black | 4 | Red |
| 1 | White | 5 | Orange |
