Venturi mask oxygen concentrations
This information only relates to flow rates using home oxygen equipment and consumables that we supply.
Multiple concentrators may be required for flows above 5 lpm.
| Flow rate | Flow rate | Barrel colour |
| 24% | 2 lpm | Blue |
| 28% | 4 lpm | White |
| 31% | 6 lpm | Orange |
| 35% | 8 lpm | Yellow |
| 40 | 10 lpm | Red |
| 60 | 15 lpm | Green |
