| | VT (mLs) | PIP (cmH20) | PEEP (cmH20) |
| Control (NIV w/ Non-Vented Mask) | 11.4 | 9.8 | 4.5 |
| | 14.7 | 10 | 5 |
| | 13.8 | 10.2 | 5.1 |
| Control Average | 13.3 | 10 | 4.86 |
| | | | |
| Bench Model A (Metaneb at dry side of heater) | 24.2 | 11.2 | 2.2 |
| | 24.7 | 13 | 2 |
| | 23.8 | 11.5 | 2.1 |
| Bench A Average | 24.2 | 11.9 | 2.1 |
| | | | |
| Bench Model B (Metaneb between mask and circuit) | 17.9 | 9.8 | 1.9 |
| | 15 | 9.9 | 2.3 |
| | 16.9 | 9.3 | 2.4 |
| Bench B Average | 16.6 | 9.6 | 2.3 |
| | | | |
| Bench Model C (Direct to mask) | 10 | 13.5 | 2.2 |
| | 9.7 | 13.3 | 2.3 |
| | 9.6 | 13.4 | 2.2 |
| Bench C Average | 9.7 | 13.4 | 2.2 |