Barrier Face Coverings and Workplace Performance/Performance Plus Masks
Conforming BFCs and Workplace Performance/Performance Plus Masks
These products were not evaluated by NIOSH. These products are not equivalent to NIOSH-approved respirators, cannot be used as a substitute for NIOSH-approved respirators, and the manufacturer-reported data should not be used to make comparisons to NIOSH-approved respirators. The supplier/manufacturer declared conformance to ASTM F3502-21 based on its own testing and evaluations and testing by accredited third-party laboratories. To be listed on this page, the supplier/manufacturer provided NIOSH with its quantitative test results only for the purpose of demonstrating that data was obtained prior to the supplier/manufacturer making the claim of conformance. Listing or mention of any company or product does not constitute endorsement by the NIOSH, Centers for Disease Control and Prevention. In addition, citations to websites external to NIOSH do not constitute NIOSH endorsement of the sponsoring organizations or their programs or products. Furthermore, NIOSH is not responsible for the content of these websites. All web addresses referenced in this document were accessible as of the publication date.
ASTM F3502-21 Performance Level
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Manufacturer |
Product Name or Model |
Single Use/ Reusable |
Particulate Filtration Efficiency(%) |
Breathability (mm H2O) |
Leakage Ratio1 |
Workplace Performance/ Workplace Performance Plus Rating2 |
3M Contact: 3M AFFM Support |
Advanced Filtering Face Mask AFFM |
Single | 99% - Level 2 | 13 mm – Level 1 | 73 |
Workplace Performance Plus |
Aries Contact: Jane Foreman |
Aries Barrier Face Covering | Single | 83% - Level 2 | 5 mm – Level 2 | n/a | n/a |
Impulse Fashion, Inc. Contact: Donald Roberts |
Hope Mask | Reusable | 22% – Level 1 | 12 mm – Level 1 | n/a | n/a |
Buckeye Mask Company Contact: Carla Macklin |
PFM-153081 | Reusable | 24% - Level 1 | 5 mm – Level 2 | n/a | n/a |
Frëtt Solutions/Etrëma Contact: Michelle Secours |
ëTECH | Reusable | 82% - Level 2 | 10 mm – Level 1 | n/a | n/a |
Frëtt Solutions/Etrëma Contact: Michelle Secours |
ëPRO | Reusable | 72% - Level 2 | 6 mm – Level 1 | n/a | n/a |
Frëtt Solutions/Etrëma Contact: Michelle Secours |
ëAIR | Reusable | 55% - Level 2 | 5 mm – Level 2 | n/a | n/a |
Frëtt Solutions/Etrëma Contact: Michelle Secours |
ë1.0 | Reusable | 57% - Level 2 | 12 mm – Level 1 | n/a | n/a |
Armbrust, Inc. Contact: Landon Morales |
Better Mask High Filtration System |
Single | 97% - Level 2 | 13 mm – Level 1 | 37 |
Workplace Performance Plus |
Puraka Masks Contact: Lauren Chagaris |
Puraka Essential Mask | Reusable | 27% - Level 1 | 9 mm - Level 1 | n/a | n/a |
Puraka Masks Contact: Lauren Chagaris |
Puraka Breathe Mask | Reusable | 25% - Level 1 | 6 mm - Level 1 | n/a | n/a |
National Safety Apparel Contact: Rob Hines |
MASK2C-44 | Reusable | 29% - Level 1 | 6 mm - Level 1 | n/a | n/a |
Pactics, Inc. Contact: Deron Nanchuk |
Pactics 2nd Generation 3-Layer Mask |
Reusable | 20% - Level 1 | 4 mm – Level 2 | n/a | n/a |
Unicorn Breathing Mask Contact: Kimberly Sky |
Unicorn Mask | Reusable | 29% - Level 1 | 6 mm – Level 1 | n/a | n/a |
Grove Biomedical, LLC Contact: Andrea Anderson |
Canopy Hero Pro | Reusable | 97% - Level 2 | 14 mm – Level 1 | 74 |
Workplace Performance Plus |
AirPop Contact: Simon Neave |
AirPop Light SE | Reusable | 97% - Level 2 | 8 mm – Level 1 | n/a | n/a |
AirPop Contact: Simon Neave |
AirPop Pocket | Reusable | 98% - Level 2 | 7 mm – Level 1 | n/a | n/a |
AirPop Contact: Simon Neave |
AirPop Kids | Reusable | 91% - Level 2 | 6 mm – Level 1 | n/a | n/a |
AirPop Contact: Simon Neave |
AirPop Active/Active+ | Reusable | 97% - Level 2 | 8 mm – Level 1 | n/a | n/a |
McRae Contact: Stella Botelho |
BREATHEASY 3PESMP | Reusable | 53% - Level 2 | 14 mm – Level 1 | n/a | n/a |
DCBL Masks Contact: Homan Taghdiri |
DCBL X1 Reusable Mask | Reusable | 21% - Level 1 | 4 mm – Level 2 | n/a | n/a |
Katharos Labs Contact: Steven Gordon |
UltraFitTM mask | Single Use | 95% - Level 2 | 6 mm – Level 1 | n/a | n/a |
Mars Bio-Med Process Inc. Contact: Steve Merson |
Mars Silvertek Mask | Reusable | 21% - Level 1 | 7 mm – Level 1 | n/a | n/a |
Advanced Mask Systems Inc. Contact: Joanne Medeiros |
AMS95PLUS | Single Use | 98% - Level 2 | 15 mm – Level 1 | n/a | n/a |
DemeTECH Corporation Contact: Tracy Chadwrick |
DT-MSK003/DT-MSK003S | Single Use | 92% - Level 2 | 3 mm – Level 2 | n/a | n/a |
DemeTECH Corporation Contact: Tracy Chadwrick |
DT-DX95 | Single Use | 99% - Level 2 | 13 mm – Level 1 | n/a | n/a |
Indiana Face Mask Contact: Clayton Geyer |
B220 | Single Use | 92% - Level 2 | 10 mm – Level 1 | n/a | n/a |
Outdoor Research Contact: Caroline MacMillan |
3-Layer Face Cover (300300 – regular, 300426 – small) | Reusable | 42% - Level 1 | 5 mm – Level 2 | n/a | n/a |
tensARC Ltd. Contact: Paul Baglin |
facegaiter Filter A | Reusable | 48% - Level 1 | 2 mm – Level 2 | n/a | n/a |
tensARC Ltd. Contact: Paul Baglin |
facegaiter Filter B | Reusable | 94% - Level 2 | 5 mm – Level 2 | n/a | n/a |
1 Quantitative leakage testing is optional for ASTM F3502-21. Leakage is reported as a ratio of the particle concentration outside the face covering over particle concentration inside the face covering. Higher leakage ratios indicate less leakage.
2 See Making Masks for the Workplace for requirements for Workplace Performance and Workplace Performance Plus masks. Quantitative leakage criteria are required in addition to the ASTM F3502-21 requirements for particulate filtration efficiency and breathability.
For information on having a compliant product listed, please contact ODAdmin@cdc.gov
Relevant Resources
Centers for Disease Control/National Institute for Occupational Safety and Health resources
COVID-19 Information for the WorkplaceMaking Masks for the Workplace
Use Masks to Slow the Spread of COVID-19
ASTM International
F3502-21 Standard Specification for Barrier Face CoveringsF3050-17 Standard Guide for Conformity Assessment of Personal Protective Clothing and Equipment
An overview of the ASTM F3502-21 standard was presented in a webinar.
- Page last reviewed: January 27, 2023
- Page last updated: January 27, 2023
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