SRC
| Reference | Symbol | Name | Definition | Note |
| SRC |  | Leak 1 | The leak symbol and value represent the intentional leak characteristics of the interface. On medical devices with mask selection control, the leak symbol shown on the elbow indicates the value to enter on the device. | |
| SRC |  | Leak 2 | The leak symbol and value represent the intentional leak characteristics of the interface. On medical devices with mask selection control, the leak symbol shown on the elbow indicates the value to enter on the device. | |
| SRC |  | Leak 3 | The leak symbol and value represent the intentional leak characteristics of the interface. On medical devices with mask selection control, the leak symbol shown on the elbow indicates the value to enter on the device. | |
| SRC |  | Leak 4 | The leak symbol and value represent the intentional leak characteristics of the interface. On medical devices with mask selection control, the leak symbol shown on the elbow indicates the value to enter on the device. | |
| N/A |  | Importer | Indicates the entity importing the medical device. | |
