From: 3D Printed frames to enable reuse and improve the fit of N95 and KN95 respirators
Performance of frames with respirators with broken or defective straps | ||
Mask type | Fit factor with control mask | Fit factor with mask frame on respirator with broken or defective straps |
1860 model | 185 | 200+ |
1860 model | 13 | 9 |
8210 model | 17 | 19 |
Performance of frames for individuals who failed baseline testing | ||
Mask type | Fit factor with control mask | Fit factor with mask frame on respirator that failed baseline testing |
1860 model | 56 | 200+ |
8210 model | 0 | 200+ |
KN95 model | 0 | 101 |
KN95 model | 0 | 6 |