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Adjustable Venturi mask
Adjustable Venturi mask
Made of Medical grade PVC
Adjustable nose cilp
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,L+,XL
packed in individual pe packing
50pcs/ctn oc 100pcs/ctn
Table of Correspongent Oxygen Concentration
for Different Oxygen Flow
| Adjusted Oxygen Concentration | Oxygen flow |
| 24%(blue) | 4L/min |
| 28%(yellow) | 4L/min |
| 31%（white) | 6L/min |
| 35%(dark green) | 10L/min |
| 40%(pink) | 8L/min |
| 50%（orange) | 10L/min |
