The difference between NIOSH N95 mask and 3 ply surgical mask
The difference between NIOSH N95 mask and 3 ply surgical mask
| Surgical mask | NIOSH N95 mask | |
| Standard | FDA | NIOSH 42 CFR Part 84 |
| Face Seal Fit | Loose-fitting | Tight-fitting |
| Fit Testing Requirement | No | Yes |
| Leakage | Leakage occurs around the edge of the mask when user inhales | When properly fitted and donned, minimal leakage occurs around edges of the respirator when user inhales |