I found one with an amazing fit from China that was large enough. Then I googled the name and found out it’s listed under the fake/mislabeled category on the CD

I found one with an amazing fit from China that was large enough. Then I googled the name and found out it’s listed under the fake/mislabeled category on the CDC site [0] with filtration efficiency between 8 and 94% (over 2 ten sample test runs):( [0]: https://www.cdc.gov/niosh/npptl/respirators/testing/NonNIOSHresults.html https://www.cdc.gov/niosh/npptl/respirators/testing/NonNIOSH...