While double masking is still a practice not yet backed up by studies, there’s a new lab-tested option that can make your masks as efficient as an N95 mask.
Veuer’s Maria Mercedes Galuppo has the story.
While double masking is still a practice not yet backed up by studies, there’s a new lab-tested option that can make your masks as efficient as an N95 mask.
Veuer’s Maria Mercedes Galuppo has the story.