The NIOSH Respirator Approval Program is responsible for testing and approving respirators.
Information for manufacturers on how to apply for respirator approval.
Standard Application Procedures for each class of respirator.
Collection of NIOSH Conformity Assessment Notices and Letters.
For Employers and Respirator Users
Learn more about personal protective equipment and NIOSH resources.
Learn how to spot a NIOSH Approved respirator.
Find NIOSH Approved® FFRs on the CEL
New and Noteworthy
NIOSH Respiratory Device Information CAN Revocation of Six Aegle PPE 1 LLC Approvals