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Gas compositions
| N2 | O2 | Ar | CO2 | H2O | ||
|---|---|---|---|---|---|---|
| Inspiratory flow (fresh air) | Mass Fraction (%) | 72.5 | 22.2 | 1.2 | 0.0 | 3.9 |
| Volume Fraction (%) | 73.3 | 19.7 | 0.9 | 0.0 | 6.2 | |
| Expiratory flow (exhaled air) | Mass Fraction (%) | 71.1 | 16.6 | 1.2 | 7.2 | 3.9 |
| Volume Fraction (%) | 73.3 | 15.0 | 0.9 | 4.7 | 6.2 |
