NPPTL Respirator Assessments to Support the COVID-19 Response
National Institute for Occupational Safety and Health. (2020). NPPTL Respirator Assessments to Support the COVID-19 Response. (Added 12/15/2020.) Centers for Disease Control and Prevention.
Considering only the particulate filter efficiency of respirators, this page provides the results of limited assessments of international respirators conducted by the National Personal Protective Technology Laboratory (NPPTL).