1. Provide a high concentration of oxygen
2. Offered with head strap and adjustable nose clip
3. The standard length of tube is 2.1m, and different length is available
| Type | Specification | Cat. No. (DEHP-FREE) |
| Adult standard | 2.1m tubing | R01A04011F |
| Adult elongated | 2.1m tubing | R01A04021F |
| Pediatric standard | 2.1m tubing | R01A04031F |
| Pediatric elongated | 2.1m tubing | R01A04041F |
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