Made of Medical grade PVC.
Adjustable nose clip.
Oxygen concentration is blue 24%, yellow 28%,
White 31%, green 35%, pink 40%, orange 50%.
With elastic strap
With 2m tubing
Size available: S, M, L, L+, XL
Packed in individual PE packing
50pcs/ctn or 100pcs/ctn
Table of Correspondent Oxygen Concentration for Different Oxygen Flow
| Adjusted Oxygen Concentration | Oxygen flow |
| 24% | 4/min |
| 28% | 4/min |
| 31% | 6L/min |
| 35% | 10L/min |
| 45% | 8L/min |
| 50% | 10L/min |
