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. Author manuscript; available in PMC: 2022 Aug 2.
Published in final edited form as: Aerosol Sci Technol. 2021 Jun 14;55(10):1125–1142. doi: 10.1080/02786826.2021.1933377

Table 3:

Results for all performance metrics for source control devices. Manikin fit factors were measured with the fit tester in N95 mode only (as described in the Discussion). Human fit factors were measured using both the N95 mode and Class 100 mode.

Face
covering
COUGHING EXHALATION Filtration
Efficiency
(%)
Inhalation
airflow
resistance
(Pa)
Human fit factor
Collection
efficiency (%)
Manikin
fit factor
Collection
efficiency (%)
Manikin
fit factor
N95 mode Class 100
mode
mean SD mean SD mean SD mean SD mean SD mean SD mean SD mean SD
3M 1860 N95 respirator 98.6% 0.3% 198.0 3.5 99.0% 0.7% 132.5 78.5 99.1% 0.1% 72.2 8.1 163.8 56.2 45.3 10.9
BYD N95 respirator 82.7% 2.1% 25.0 11.3 95.2% 0.6% 113.5 122.3 99.1% 0.1% 150.8 14.5 147.9 33.5 54.9 7.8
3M 1818 surgical mask 86.8% 6.3% 26.1 26.7 91.4% 2.6% 27.5 12.0 92.7% 0.6% 48.0 7.8 78.6 92.0 9.6 5.8
Excellent Artisan procedure mask 56.3% 5.8% 7.4 3.4 42.0% 6.7% 6.1 5.5 79.7% 3.6% 108.0 34.3 3.3 0.7 1.7 0.5
Hanes cloth mask 51.7% 7.1% 1.3 0.1 44.3% 14.0% 2.3 1.1 18.8% 2.7% 64.1 9.5 1.7 0.5 1.0 0
EnerPlex mask 48.0% 6.7% 5.1 1.3 52.6% 7.3% 2.5 0.4 19.9% 3.9% 23.8 10.7 2.1 1.2 1.8 0.7
Craft & Soul mask 47.4% 6.2% 2.5 1.2 51.2% 12.2% 2.3 1.0 9.7% 3.9% 11.4 8.2 2.0 0.5 1.3 0.5
Lefty mask 42.3% 8.1% 2.4 0.7 36.3% 9.9% 1.9 n/a 20.2% 0.8% 96.3 5.9 1.8 0.7 1.6 0.5
Badger dust mask 71.1% 3.5% 5.0 0.1 61.8% 5.0% 3.2 0.6 36.0% 9.9% 92.1 1.0 2.8 1.6 1.7 0.5
Debrief Me mask w filter 43.0% 12.0% 4.6 1.8 63.4% 15.3% 3.0 1.5 30.8% 1.5% 154.1 34.9 2.9 0.9 2.1 0.8
Fabrique Innovations mask 63.2% 6.2% 2.1 n/a 65.9% 4.4% 2.2 0.4 14.8% n/a 61.7 n/a 1.4 0.7 1.1 0.3
Besungo sports mask w filter 65.7% 6.5% 4.8 n/a 59.9% 11.9% 3.2 0.3 97.8% 0.3% 142.7 22.9 2.7 1.7 1.9 1.4
Inspire mask w filter 66.5% 4.5% 4.3 3.0 63.1% 6.4% 2.7 0.5 27.1% 5.1% 149.8 85.4 4.0 1.4 2.4 0.5
FKGIONG gaiter 1-layer 48.1% 6.7% 1.7 0.5 42.9% 5.5% 1.5 0.2 3.3% 4.3% 13.1 8.0 1.1 0.3 1.0 0
FKGIONG gaiter 2-layers 60.5% 6.7% 1.9 0.4 51.8% 8.6% 1.7 n/a 7.9% 0.5% 23.8 8.4 1.0 0 1.4 0.5
AXBXCX gaiter 1-layer 35.4% 9.5% 1.7 0.1 35.3% 10.3% 1.4 0.1 2.7% 1.1% 14.4 5.7 1.3 0.7 1.0 0
AXBXCX gaiter 2-layers 48.3% 6.3% 1.8 0.1 43.9% 5.6% 1.9 0.5 3.6% 0.3% 29.4 4.5 1.3 0.5 1.3 0.5
Retro gaiter 1-layer 48.7% 10.5% 2.6 n/a 55.8% 6.6% 2.5 0.6 2.2% n/a 40.2 n/a 1.6 0.7 1.3 0.5
Retro gaiter 2-layers 64.9% 4.2% 2.3 0.4 60.0% 5.5% 2.1 0.4 8.6% n/a 69.5 n/a 1.7 1.0 1.7 0.5
Givon fleece gaiter 1-layer 53.5% 6.3% 2.1 0.5 51.4% 7.0% 2.3 0.8 8.4% 0.8% 19.3 7.4 1.0 0 1.3 0.5
L&M Bandana 2-layers 17.1% 25.0% 1.3 0.2 46.5% 8.1% 1.6 0.1 1.4% 0.4% 5.2 8.2 1.1 0.3 1.0 0
Underwear Bandana/gaiter 1-layer 40.8% 7.5% 6.9 7.3 37.3% 10.2% 1.4 0.1 3.5% 1.1% 19.3 8.2 1.1 0.7 1.0 0