It found that mask mandates coincided with slowdowns in daily COVID-19 growth rates. Medical N95 mask with no exhalation valve proved to be the most effective. However, the CDC asks the general ...

Best with a N95 filter: Oura Active Mask - See at Oura The Oura Active Mask is compatible with an N95 filter and uses lab-tested antimicrobial fabric to help kill germs as it filters them ...