A KN95 is not the same thing as an N95! The differences between KN95 masks and N95 respirators might surprise you.

If you or your employees need to wear a respirator on the job to protect from dust, harmful chemicals, fumes, or gasses, it is essential to make sure that it works. And the only way to do that is with a fit test.

The most talked-about mask during the pandemic has been the N95, although not everyone knows what an N95 respirator is. Those in the know understand that an N95 is the gold standard for everyday respiratory protection. So how does an N95 work?