لارنژیال ماسک

| patient weigh (kg) | Maximum Aeration | size |
| 0-5 | 1.5 | 1 |
| 5-10 | 1.5 | 1.5 |
| 10-20 | 2 | 2 |
| 20-30 | 2.5 | 2.5 |
| 30-50 | 3 | 3 |
| 50-70 | 4 | 4 |
| 70-100 | 5 | 5 |
لارنژیال ماسک

| patient weigh (kg) | Maximum Aeration | size |
| 0-5 | 1.5 | 1 |
| 5-10 | 1.5 | 1.5 |
| 10-20 | 2 | 2 |
| 20-30 | 2.5 | 2.5 |
| 30-50 | 3 | 3 |
| 50-70 | 4 | 4 |
| 70-100 | 5 | 5 |