Obsessed with Rocketry
TRF Lifetime Supporter
- Jan 24, 2009
- Reaction score
- Glennville, GA
They are terrible at protecting others. The valves let out too much air unimpeded.Any opinion of the reported unreliability of Chinese KN95 masks?
I am wondering if the ear loops are the issue, hard to get a good seal.
U.S. hospitals were forced to purchase hundreds of thousands of KN95 masks produced in China over the past six months because of an N95 shortage.www.usatoday.com