Flow Rates/FiO2: nasal cannula (prongs), simple mask, nonrebreather mask & venturi mask

Nasal cannula: low flow - 1-2 L:

23-30%

Nasal cannula: low flow - 3-5 L:

 30-40%

Nasal cannula: low flow - 6 L:

42%

Nasal cannula: high flow - 5L:

 50%

Nasal cannula: high flow - 10L:

62%

Nasal cannula: high flow - 15L

80%

Simple Mask: Flow rate and O2 percentage setting: 6-8L

40-60%

Nonrebreather mask: Flow rate and O2 percentage setting: 12 L

 80-100% 

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - blue

24%

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - white

28%

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - orange

31%

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - yellow

35%

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - red

40%

Venturi Mask: Flow rate and O2 percentage setting: 4-6 L - green

60%