Region II
Filtering Facepiece Respirators with an Exhalation Valve

The CDC has a new technical report that provides improved science-based recommendations on the use of filtering facepiece respirators (FFRs) with an exhalation valve.
https://www.cdc.gov/niosh/docs/2021-107/
#CDC #FFR #RespiratorResources #NIOSH #WorkplaceSafety #WorkplaceHealth #PPE