A simple trick can reveal whether your face mask offers sufficient protection ... pathogens — the name refers to their minimum 95% efficiency at filtering aerosols. A Duke study showed that ...

NEW YORK, May 28, 2020 /PRNewswire/ -- Global reusable face mask company, Debrief Me®, is pleased to announce today the results of Bacterial Filtration Efficiency (BFE) laboratory testing for its ...