Disposable face masks such as the Dynapro ASTM Level 2 mask have been widely used for a long time for protecting health care workers from the possibility of infection by viral or bacterial agents. Their use has become even more widespread since the advent of dangerous and infectious viruses such as SARS, Ebola, HIV and,…
KN95 or N95 respirators are primarily evaluated based on their filtration rates. However, this is by no means the only important metric governing their performance. For a KN95 respirator to be effective, it is essential that it forms a proper fit around the contours of your face. If air is leaking through the interface between…
The onset of the COVID-19 pandemic has made many individuals familiar with terms such as “surgical masks” and “N95 respirators”. This post seeks to answer a few of the most commonly asked questions concerning these items of Personal Protection Equipment (PPE). These questions include what is an N95 respirator and what is the difference between…