As the multiple variants of COVID-19 continue to spread in the U.S., and the risk of wildfires is rising, here’s how to find the right mask for you.
Science is on our side. We'll help you make sense of it. Go Pro. In a January 14 update to itsmask guidance page, the CDC recommends the use ofN95 or KN95respirators over surgical masks or homemade cloth masks. The change comes amid acontinuing surge of COVID-19 casesin the U....
The KN95 masks, which are certified via Chinese standards, also filter out and capture 95% of 0.3 micron particles. But there are differences: Filter layers of N95 respirators were “8-fold thicker and had 2-fold higher dipole charge density than that of KN95 respirators,” astudy publishe...
2. KN95 Surgical is more effective to filter dust, smog, and virus The FDA regulates surgical masks and surgical N95 respirators differently based on their intended use. The normal surgical mask is thin and can only filter around 70% harmful particles and viruses in the air. This loose-fitti...