Face mask fit hacks: Improving the fit of KN95 masks and surgical masks with fit alteration techniques. PLOS ONE, 2022; 17 (2): e0262830 DOI: 10.1371/journal.pone.0262830 ...

We ran quantitative fit testing with seven participants, who each tested five different types of N95 mask, as well as a KN95 mask and a surgical mask. Three participants also tested some fabric masks.

In total, 100 participants successfully completed quantitative fit testing wearing a 3M1870þ N95 FFR.

The study, led by researchers at Mayo Clinic Phoenix and the University of Tulsa (Okla.), involved 100 participants who successfully completed quantitative fit testing while wearing a 3M 1870 ...

Mobile Health announces the launch of their on-site quantitative fit testing services. ANY MASK, ANYWHERE "Our teams can test any mask, anywhere in the country.

NEW YORK, Feb. 20, 2023 /PRNewswire/ -- OSHA-standard respirator fit testing has been delivered the same way for decades. Mobile Health developed an expedited solution for the 1.3 million U.S ...

"Overall, the quantitative fit testing significantly improved, as did the respirator comfort and tolerability factor," says Mr. Chapman. "With further refinement, this system could considerably ...

Key takeaways: Nearly 100% of N95 masks pass fit tests after 3 years, suggesting annual tests are not necessary. Moving to 3-year test cycles could save as much as $400 million per year. Findings ...

To test durability over three uses, the researchers treated intact, clean masks with the same decontamination method and assessed function via quantitative fit testing.

Concordia’s Environmental Health and Safety (EHS) team offers both qualitative and quantitative respirator fit testing to individuals and organizations outside the university. These services ensure ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer ...