Can be connected to vacuum negative pressure system or equipment for respiratory tract suction of sputum, etc.< /p>
| Model | Specifications | Color scale |
|
Type A
|
2.0mm(6F) | Light green |
| 2.33mm(7F) | ivory | |
| 2.67mm(8F) | light blue | |
| 3.33mm(10F) | black | |
| 4.0mm(12F) | white | |
| 4.67mm(14F) | green | |
| 5.33mm(16F) | orange | |
| 6.0mm(18F) | red | |
| 6.67mm(20F) | yellow |