Quantity: 50 per Box,  30 Boxes per Carton
The  layers of ASTM Level 3 Masks
ASTM Level 3 Masks feature a proprietary four-layer construction, which offers you protection, breathability and comfort in the OR.
● Comfort: The inner layer is soft and nonabrasive to the skin. ● Protection: Mask’s second layer minimizes particle dispersal.
● Distinction: Mask’s outer layer blue color lets you know the mask you are wearing provides
comfort, protection and breathability.
 
AOSHANG ASTM Level 3 Masks meet the highest
performance requirements defined by ASTM F2100:19 LEVEL 3