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National Personal Protective Technology Laboratory (NPPTL)

NPPTL - NIOSH National Personal Protective Technology Laboratory

Check out the updated NIOSH Certified Equipment List. This NIOSH tool can be used to find NIOSH Approved® respirators. The updated version is reformatted and includes quick searches for identifying respirators of current interest. NIOSH encourages users to update their bookmarks to point to the new Certified Equipment List page.

Cover page for publication 2023-132

This booklet provides an overview of the NIOSH approval process and the application package requirements to address the most frequently asked questions, deter inappropriate applications, and better prepare potential NIOSH approval holders for the application process. View publication 2023-132


N95 and NIOSH Approved are certification marks of the U.S. Department of Health and Human Services (HHS) registered in the United States and several international jurisdictions.

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