Respirator Trusted-Source Information

Welcome to the NIOSH Trusted-Source page. This provides information to understand the types of respirators, how to identify approved models, a listing of all NIOSH-approved and FDA-cleared surgical N95 respirators, and relevant User Notices. It also contains information on how to implement the use of respirators in the workplace and use them appropriately, and includes commonly asked questions and answers (fact sheets), respirator myths, the science of respirator function and performance, and respiratory protective devices not approved by NIOSH.

NOTE: This web page is updated as new information becomes available. We hope that you will visit regularly to acquire additional information as the site expands.

Other Important Filtering Facepiece Respirator Information

Section 1: NIOSH-Approved Respirators – What are they? How can they be identified? Where can I get them?
Provides information explaining the different types of respirators, how to identify approved models, as well as distribution information.

Section 2: Use of NIOSH Respirators
Provides information on how to implement the appropriate use of respirators in the workplace. This section also contains relevant User Notices.

Section 3: Ancillary Respirator Information
Frequently Asked Questions and Answers about respirators, the Science behind Respirator Function and Performance, and a listing of all NIOSH-approved and FDA-cleared surgical N95 respirators.