N95 and KN95 Mask Fit Testing (with OSHA Protocol)

Архивировано 21.03.2022: n95-fit-testing.mp4

Источник: N95 and KN95 Mask Fit Testing (with OSHA Protocol). Youtube, 2020-06-04

In this video, various N95 and KN95 masks are fit tested using the OSHA Protocols during the COVID-19 Pandemic.