Table 2.
Respirator quantitative FF at FF 1 in a neutral ambient environment and FF 2 at ambient conditions of 35°C and relative humidity 50%
| Respirator | Subjects |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| N95 FFR | ||||||||||||
| FF 1 | 85 | 107 | 66 | 200+ | 191 | 148 | 132 | 104 | 200+ | 200+ | 119 | 146 |
| FF 2 | 118 | 28 | 24 | 77 | 146 | 22 | 109 | 69 | 107 | 47 | 75 | 79 |
| P100 FFR | ||||||||||||
| FF 1 | 7.7 | 71 | 4.7 | 200+ | 200+ | 200+ | 200+ | 200+ | 200+ | 200+ | 200+ | 200+ |
| FF 2 | 15 | 66 | 6.4 | 200+ | 108 | 158 | 12 | 200+ | 107 | 200+ | 200+ | 200+ |
FF, fit factors; FF 1, fit factors at baseline; FF 2, fit factors after 1 hour of treadmill exercise; FFR, filtering facepiece respirator.