Adjustable Venturi Mask
- Made of medical grade PVC
- Adjustable nose clip.
- Latex Free and DEHP Free
- Safe , simple delivery of 7 variable oxygen concentrations.
- Color code for each mask, easy for the adjustment of different oxygen concentration
- Venturi valve:blue 24%,yellow 28%,white 31%, green 35%, pink 40%,orange 50%.
- Available with anti-crush 7ft.tubing.