They’re FDA approved for medical settings, fluid resistant, and protect the wearer from giant droplets.
Ianforet96
As of July 2020, Amazon is permitting the sale of KN95 and N95 masks again, after reserving them just for hospital use through the peak of the coronavirus pandemic.
Unlike single-use respirators, this one is designed for long-term use and is suitable with a variety of replaceable filters available in various NIOSH ratings, together with N95 and P100.
Cup-formed design structure makes this disposable kn95 mask has better facial-match efficiency than normal medical face masks.
During disaster situations where there's a shortage of N95 respirators, such as the COVID-19 pandemic, the U.S.
The US government sent out a cargo of expired face masks to health workers.
So, people are shifting towards the purchase of KN95 masks via online stores.
Some masks even come with a colour indicator to spotlight when you should throw your mask.