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This page provides user notices issued by approval holders and industry partners. User notices are written notices provided to inform users of a condition or risk that may exist with a NIOSH Approved® product. NIOSH has reviewed and concurs with the facts in the below user notices.

User notices
- December 2025 - User Notice: INTERSPIRO S9 AND S9 INCURVE SCBA - This product advice refers to NIOSH Approval Number TC-13F-0962 issued by Interspiro and relates to identification of the 45-minute composite cylinder with part number 35689-01. To support clear identification, Interspiro will update future production so that the part number is printed directly on the cylinder label together with the QR code. Interspiro confirms that there is no impact on user safety, and the cylinder as supplied continues to meet all applicable NIOSH safety and performance requirements under approval TC-13F-0962. No user action is required; users can continue to operate the equipment as normal.
- October 2025 - User Notice: 3M Personal Safety Division has identified that certain 3M™ Versaflo™ TR-800 Powered Air Purifying Respirator (PAPR) motors/ blowers manufactured between September 2024 and April 2025 may contain a component that could cause them to not conform to their Intrinsic Safety (IS) rating
- October 2025 - User Notice: Draeger PSS 5000 and 7000 Series Self Contained Breathing Apparatus (SCBA) may have electronic control units (ECU) not initiating properly
- July 2025 - Voluntary Rescission of Four Kimberly-Clark Corporation NIOSH Respirator Approvals – No Impact to O&M Halyard Respirators
- June 2025 – User Notice: 3M Personal Safety Division is issuing a “Stop Use and Action” for the optional 3M™ Scott™ UEBSS connections on any 3M™ Scott™ Air[1]Pak™ SCBA equipped with UEBSS, and 3M™ Scott™ RIT-Pak III, RIT-Pak Fast Attack, and spare components configured with Rectus-type fittings manufactured through January 31, 2025.
- February 2025 – User Notice: MSA is issuing this User Inspection Advisory to inform of a one-time inspection procedure to be performed on all Universal Emergency Breathing Supply Systems (UEBSSs) manufactured prior to January 23, 2025.
- February 2025 - Suzhou Sanical Protective Product User Notice for private-labeled Well Before respirators
3M Personal Safety Division has identified that certain 3M™ Versaflo™ TR-800 Powered Air Purifying Respirator (PAPR) motors/ blowers manufactured between September 2024 and April 2025 may contain a component that could cause them to not conform to their Intrinsic Safety (IS) rating
Archived user notices
As of January 2025, NIOSH only lists manufacturer user notices for one year from date of issue. For user notices issued prior to 2024, please visit the links below.
Disclaimer
Links to non-Federal organizations do not constitute an endorsement of these organizations, their products, or programs by NIOSH and none should be inferred. NIOSH is not responsible for the content of the individual organization web pages found at these links. They are provided solely as a service to our users. A NIOSH certificate of approval is not an endorsement of the respirator by NIOSH. Such endorsements are not to be stated or implied by manufacturers in advertisements or other publicity. NIOSH certification represents that the equipment has met the requirements of Title 42, Code of Federal Regulations (CFR) Part 84.
- NIOSH Approved is a registered certification trademark of the U.S. Department of Health and Human Services (HHS) in the United States and several other countries.