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Respirator User Notices Issued by Manufacturers and Industry Partners
User Notice – a written notice provided to inform users of a condition or risk that may exist with a NIOSH-certified product.
NIOSH has reviewed and concurs with the facts in the user notice as of the date indicated on the NIOSH website.
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.
Manufacturers
- 3M Occupational Health & Environmental Safety Home Page
- 3M Safety Product Notifications and Advisories
- June 2023 – 3MTM VersafloTM V-Series Air Control Valves Relevant Part Numbers: V-300 and V-350
- July 2022 – Potential for Reduced Service Life for the 3M™ Versaflo™ TR-6590N Multi-Gas/HE Cartridge
- September 2, 2016 – Recall of selected lots of 3MTM Versaflo TR-600 Series Cartridges
- November 19, 2009 – User Advisory Notice for 3M Air-Mate Airflow Indicator
- 3M Scott Fire & Safety Home page
- May 2024 – Stop Use and Action Notification: Additional 3M Scott Fire & Safety E-Z Flo and E-Z Flo+ Mask Mounted Regulators (MMR) shipped with missing latch screws
- April 2024 – 3M Scott Vibralert End-of-Service-Time-Indicator (EoSTI) failed to function adequately upon initial inspection
- December 2023 – 3M Scott Cylinder and Valve Assemblies experiencing leakage when valve handwheel is initially opened
- July 2023 – HUD setpoint User Safety Notice
- April 2023 – User Safety Notice: Universal Breathing Safety System (UEBSS) and Emergency Breathing Safety System (EBSS) accessory hoses may have incorrectly crimped hose connections
- March 2023 – User Safety Notice: Additional E-Z Flo+ Mask Mounted Regulators (MMR) shipped with missing mounting latch screws (update to the December 2022 User Safety Notice)
- January 2023 – User Safety Notice for 3M Scott C420 Air-Purifying Respirator (PAPR) Blowers
- December 2022 – User Safety Notice for E-Z Flo+ Mask Mounted Regulators (MMR) (see related March 2023 notice for additional information)
- November 2022 – User Safety Notice for Air-Pak X3 Pro SCBA Pak-Alert Sensor Modules
- May 20, 2022 – Mislabeled 3M™ Scott™ 7422-SD1 Multipurpose/P100 Cartridge
- May 2022 – User Safety Notice SN052022 for 3M™ Scott™ Air-Pak™ X3, Air-Pak™ X3 Pro, and X3-21 Pro Self-Contained Breathing Apparatus Pressure Reducers
- December 16, 2019 – User Bulletin: Potential for ice formation during SCBA use in cold weather
- February 11, 2016 – PAPRs using Scott Branded C420 Blower Part Number 200699-01
- User Notice – Users of Scott Air-Purifying Respirators with 7422-BA1 and 7422-BD1 Cartridges
- June 26, 2009 – Important Safety Notice Concerning Scott ELSA 5, 10, 15, and 5HF Escape Respirators
- May 20, 2009 – Concerning SCOTT EZ Flo II CBRN Regulators
- December 15, 2008 – Scott Safety Notice concerning HUD Quick Disconnect for SCOTT® AIR-PAK® 50, AIR-PAK 75, NxG2, and NxG7 SCBA
- March 11, 2008 – Concerning Scott AV 3000 Facepieces
- February 29, 2008 – Scott EZ Flo and EZ Flo II CBRN Regulators
- March 02, 2007 – Air Purifying MPC Plus Cartridges
- October 30, 2006 – Low pressure hoses on Scott Air-PAK Fifty and NxG2 Self Contained Breathing Apparatuses
- March 6, 2006 – Luxfer Carbon Fiber Composite Cylinders
- April 20, 2005 – Scott AV-3000 Facepieces
- Advoque Safeguard Home page
- August 5, 2022 — Status – Advoque Safeguard N95 Particulate Filtering Respirator – NIOSH TC-84A-9284
- October 11, 2021 — User Notice #2: ASG100 Selected Small Lot Numbers
- September 17, 2021 — User Notice #1: ASG100 Selected Small Lot Numbers
- September 11, 2020 — Approval status of N95 model number ADV001 with NIOSH approval number TC-84A-PH02
(Formally Immediate Response Technologies)
- AirBoss Defense Home page
- AirBoss Defense Technologies News
- August 24, 2023 – FlexAir PAPR Update Regarding Use at High Altitudes
- April 2023 – User Notice: FlexAir Powered Air-Purifying Respirator (PAPR) Storage Battery Considerations
- April 3, 2023 – User notice for the return of AirBoss and other NIOSH Approval Holders’ C420 PAPR blower units
- June 20, 2022 – Regarding Flexair Powered Air Purifying Respirators (Paprs) Produced during Public Health Emergency and Distributed Throughout the United States in 2020
- Cartridges
- User Notice: Users of Powered Air-Purifying Respirators Using Immediate Response Technologies Manufactured C420 Blower Part Numbers M-60031-001 and 4056916
- August 16, 2021—Temporary Stop Sale Effective 8/16/2021
- July 15, 2021—Non-conforming NIOSH Approved Product
- Avon Protection Home page
- January 2018 – Technical Bulletin: CGA Cylinder Valve Plug Replacement 092.061.00
- Bullard Home page
- Bullard Respiratory Protection Downloads
- Maintenance of Battery Packs for Bullard Powered Air-Purifying Respirators (PAPRs)
- February 28, 2012 – Respiratory Users Bulletin Regarding DC5040X Series Dual Cool Tube
- CSE Home page
- Media Information (includes user notices)
- May 10, 2010 – CSE updated user notice regarding ongoing investigation SR-100 oxygen cylinder
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- Fido Masks Co., Ltd. homepage
- February 2024 – FIDO User Notice Safety Bulletin
- Honeywell Safety Products Home Page
- Product Press Releases
- January 18, 2023 – Market Action Notice – PAPR Cartridges SKUs PA7DEHE and PA7OVAGHE
- December 20, 2022 – Mandatory Stop Use Notice – PAPR Cartridges SKUs PA7DEHE and PA7OVAGHE
- June 21, 2016 – Safety Notice: All U.S. and Canadian Users and Distributors of the Following Honeywell Respiratory Products: TITAN™, Panther, Cougar and PUMA SCBAs; 5-minute and 10-minute EBAs; 5-minute, 10-minute and 15-minute Hip-Pac Pressure Demand SARs with Escape Cylinders; and All Spare Cylinders for the Aforementioned Products
- May 11, 2016 – SCBA equipped with Rapid Intervention Crew/Company Air Connection
Please refer to the AirBoss Defense tab above.
- International Safety Instruments Home page
- May 29, 2009 – Technical Bulletin For Viking, Frontier, ARAP and Z3000/Z3100 Products
- Interspiro Home page
- July 15, 2016 – Rapid Intervention Crew Universal Air Connection
- Luxfer Gas Cylinders Home page
- Luxfer Gas Cylinders Press Releases
- Makrite Home page
- August 5, 2014 – Improper Use of Makrite TC Numbers
- MSA, The Safety Company Home page
- MSA, The Safety Company Product Safety Notices
- October 25, 2022 – New Markings on Aluminum Cylinders for Supplied Air Respirators
- February 3, 2022 – User Safety Notice, MSA G1 Regulator Hose Inspection
- December 13, 2017 – User Notice for G1 Facepiece Exhalation Valve Stem
- September 29, 2017 – Safety Notice: OptimAir® TL OV/AG Cartridge
- September 1, 2016 – Safety Advisory: Advantage® Respirator Cartridges Packaged Incorrectly
- June 10, 2016 – SCBA Universal Air Connection and Quick Fill ® Hose Fittings
- April 21, 2016 – SCBA Cylinder Quick Connect Adapter
- February 22, 2012 – Safety Solutions
- January 07, 2009 – MSA User Advisory concerning Air Mask Audi-Larm Coupling Nut Tightness
- April 02, 2008 – Users Notice for Canisters – Advantage© 1000 and 3200 CBA-RCA (CS/CN) Respirators; Millenium© Chemical-Biological(CS/CN)Respirator/Gas Mask; Phalanx© Alpha and Beta CBA-RCA (CS/CN) Gas Masks; Ultra-Elite© CBA-RCA (CS/CN) Gas Mask
- March 12, 2008 – Users of Mersorb Chemical Cartridges P/N 466204
- July 25, 2007 – Noise Advisory: Abrasi-Blast Supplied-Air Respirator with Vortex Tube (NIOSH Approval number TC-19C-178)
- November 8, 2006 – Life – Saver 60 Self – Contained Self Rescuer
- Related Program Information Bulletin issued by U.S. DOL Mine Safety and Health Administration
- Neutonics, Inc. Home Page
- BioMarine Technical Service Bulletin home page
- January 6, 2012 – BIOPAK 240R Product Notice Concerning Lower Housing Sharp Edge Contacting Diaphragm
- April 16, 2010 – Technical Service Bulletin BioPak 240r
- O&M Halyard, Inc. Home Page
- September 29, 2023 – User Notice Regarding Certain Surgical N95 Respirators (update to the April 21 2023 User Notice)
- Ocenco, Inc. Home page
- January 2024 – Ocenco M-20.3 SCSR (Self-Contained Self-Rescuers (SCSR)/Emergency Escape Breathing Devices (EEBD) may be producing elevated inspired carbon dioxide and wet bulb temperature levels
- December 2023 – Visually Inspect Ocenco M20.3 – Safety Alert
- June 2023 – User Notice: M-20-3 CCER EEBD Low Pressure Gauge Readings
- Safe Life Corporation Home page
- March 8, 2010 – Safe Life Corporation releases the following statement regarding our NIOSH-certified respirators A430 (84A-5161), A450 (84A-5162), T-5000 (84A-4110), and T-5000V (84A-4234), which are treated with Triosyn T50 powder
- Safety Tech International, Inc. Home page
- February 22, 2007 – Technical Bulletin regarding M95 Cartridges
- SAS Safety Corporation Home page
- SAS Technical Bulletins
- March 02, 2007 – SAS Safety Corporation has identified potential non-conformance with the Bandit Respirator
- Shigematsu Works Co., Ltd. homepage
- March 22, 2024 – Shigematsu – Clarification of Donning Method of N95 – Lambda-Line Series and additional “How to Donning” infographic.
- Sperian Protection Home page
- Sperian Respiratory Protection Safety and Information Notices
- October 11, 2010 – Safety Notice concerning the Warrior SCBA equipped with IntelliPASS Personal Alert Safety System (PASS)
- August 2, 2010 – Compass Safety Notice Change Aug. 2010
- March 02, 201
- December 09, 2008 – Technical Bulletin for approval label misprint on Panther and Cougar/Puma SCBA
- December 02, 2008 – Important safety notice concerning SPERIAN Warrior SCBA Heads-Up Display (HUD) Cable Connection
- Survivair Home Page
- Safety Products Press Releases
- Survivair Safety Notices
- June 16, 2006 – Air Klic and Nozzle Safety Notice – Survivair Panther TwentyTwenty Plus® Respirators
- May 3, 2006 – Luxfer Cylinder
- May 2, 2006 – Survivair acid gas, multi-contaminant, multi-contaminant / P100, Hydrogen Chloride Cartridges manufactured in 2002
- March 1, 2006 – Survivair SCBA Cylinder Valve
- August 24, 2005 – Wilson and Survivair model P95 filter pads
- June 14, 2005 – Pro-Tech
Industry Partners
- NFPA Home page
- July 2, 2012 – SCBA Facepiece Lenses May Undergo Thermal Degradation when Exposed to Intense Heat
To report any PASS malfunctions and other problems with PASS functioning to NIOSH NPPTL, send an email to: NPPTL_PASS@CDC.GOV Please review the PASS Information Document and provide the contact information listed before submitting your request. - December 6, 2005 – Pass Alarm signals can fail at high temperatures.
To report any PASS malfunctions and other problems with PASS functioning to NIOSH NPPTL, send an email to: NPPTL_PASS@CDC.GOV Please review the PASS Information Document and provide the contact information listed before submitting your request.
- DOT Safety Advisory Notices
- DOT Safety Alerts
- May 1, 2006 – Safety Advisory: Manufacturing, Marking, and Sale of Untested Compressed Gas Cylinders
(relates to some cylinders made by Luxfer used in Scott, MSA, Survivair, and Dräger self-contained breathing apparatus)
Last Reviewed: June 17, 2024