These are medium-small sized masks. $20 at Amazon Made by the 3M company, these N95 respirator masks are NIOSH-approved to filter out at least 95% of certain particles like smoke and feature a ...
Ideally, everyone (not just medical workers) should be using a KN95 or N95 mask ... While many masks come as a "one size fits all," N95s are available in sizes small, medium, or large, and it's ...