![]() ![]() This new standard rates masks based on filtration, breathability, and an optional leakage ratio. If you or someone you interact with regularly is a high-risk individual, or if you work in a medical setting, you should stick with N95s. The NIOSH recommends using these masks in a workplace environment but, crucially, does not recommend them as a replacement for N95 or other respirators. ![]() Under this standard, masks can be labeled as either Workplace Performance or Workplace Performance Plus. To help with this, the ASTM International standard makes it easier to classify masks for everyday work. However, the pandemic has made it much more common and necessary for people to wear masks in nonmedical contexts. ![]() Most of the CDC and Food and Drug Administration's mask guidance and standards were initially designed with medical settings like doctors' offices and hospitals in mind. They're likely far less effective, depending on their material makeup. If you can't get your hands on the masks listed above, at least wear a cloth mask. We have tips on how to improve your fit in our guide to our favorite masks. They aren't as effective as the above masks, but if they have a good, tight fit they can still be effective in less risky settings.
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