| Features | Specification | Certificate |
| 1. The mask is made of non-toxic polymer synthetic material, does not contain heavy metals, has strong toughness and strength, and is not easy to be damaged or broken. 2. Easy to use, hygienic, safe, and effectively prevent cross-infection. 3. It is directly matched with the existing oxygen inhalation device, which is easy to popularize. | 1. 80L/min air flow 2. Dia22mm connector 3. metal free, MRI environment OK 4.L for Adult, M for child. | ISO13485 |
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