12/31/2023 0 Comments N95 3m aura masksIn general, individuals wearing NIOSH-approved N95s with an exhalation valve should not be asked to use one without an exhalation valve or to cover it with a face covering or mask.” Some organizations, cities, and companies have specific guidance on face coverings with valves. As source control, findings from NIOSH research suggest that, even without covering the valve, N95 respirators with exhalation valves provide the same or better source control than loose-fitting surgical masks, procedure masks, cloth masks, or fabric coverings. A NIOSH-approved N95 filtering facepiece respirator with an exhalation valve offers the same protection to the wearer as one that does not have a valve. In the CDC’s questions and answers regarding personal protective equipment they state that “an N95 filtering facepiece respirator will protect you and provide source control to protect others. Are valved N95 filtering facepiece respirators acceptable for use?.Beards, long mustaches, and stubble may cause leaks into the respirator. Your face should be cleanshaven in the area where the respirator seals to your skin. Remember, the better the seal, the more of the air that you breathe goes through the filter. It is very important to always follow the model-specific user instructions for your respirator and to do a user seal check (fit check) before each use. The respirator should not be so large that it is very close to your eyes or impacts your vision. If you cannot achieve a good seal with your respirator, you should try a different model until you find one that is well sized and seals well to your face. If a respirator does not seal well to your face, airborne hazards can enter around the gaps between the faceseal and the face. Your respirator should be well-sized for your face, so no gaps or leaks are detectable around the edge of the respirator. It is very important that your respirator seal completely to your face.
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