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NIOSH Respiratory Protective Device Information

Subject: Effective Immediately – Effective Immediately: Voluntary Rescission of Honeywell International Inc. Approval

NIOSH CA 2023-1060
June 2023

The National Institute for Occupational Safety and Health (NIOSH) has honored a request by Honeywell International Inc. to voluntarily rescind the NIOSH respirator approval issued to Honeywell International Inc. 

As of June 29, 2023, any respirator marked with a NIOSH approval label with approval number TC-84A-9263 is no longer NIOSH approved. The NIOSH Certified Equipment List no longer includes this approval number.

Due to the voluntary rescission of this NIOSH approval, respirators bearing this NIOSH approval number may no longer be used, manufactured, assembled, sold, or distributed.

Please reach out to Honeywell International Inc. for additional details related to their decision to voluntarily rescind the approval issued to Honeywell International Inc. identified in this notice. The Certified Equipment List can be used to locate other NIOSH Approved® respirators.


NIOSH Approved® is a certification mark of the U.S. Department of Health and Human Services (HHS) registered in the United States and several international jurisdictions