Difference Between N95 vs. KN95 Masks Both ratings require masks to be tested for filtration efficiency at capturing salt particles (NaCl). Both are tested at a flow rate of 85 L/minute. However, there are some differences between N95 and KN95, highlighted here. KN95 vs. N95 – Differences ...
Products called “ear savers” can also aid with tightening, and can be found on eBay or you can 3D print them. There’s no guarantee that all KN95 respirators actually meet the Chinese KN95 standard. However, with the current respirator shortage, unfortunately the same goes for N95/FFP ...