Critical Cover PFL (positive facial lock) Masks by Alpha Pro Tech reduces the possibility of the user inhaling airborne contaminants and creates a positive seal to a variety of facial sizes & features.
Integrated Magic Arch prevents the mask from coming in contact with the users nose and mouth = easier breathing & enhancing filtration efficiency
Hypoallergenic
PFE @ 0.1 micron = 97.8%
Includes (50) Masks - Headband w/ Magic Arch, Blue
