| Specification | Tube | nasal prongs | ||||
| L | L1 | D1 | D2 | |||
| L | 2000±20 | 500±20 | 5.0±0.1 or 6.0±0.1 | 3.3±0.1 | adult | |
| S | pediatric | |||||
| XS | infant | |||||

* Effective communication and prompt response. * High quality products support you to win your market. * Commit to new and innovative technology to meet latest market demand. * Develop new and unique products with you. * Any suggestions for our products and price, etc. are welcomed.