3-Ply Procedural Masks ASTM Level 3 Black (box of 50)

3-ply ASTM Level 3 adult unisex masks are, Health Canada approved and meet the highest criteria for Healthcare. They do NOT contain graphene, are soft, comfortable, fluid resistant and latex-free. Specs include bacterial filtration (BFE) of greater than 98%, particulate filtration (PFE) greater than 98%, differential Pressure mm H2O/cm² <6.0 and penetration resistance mmHg 160. These are sized at 17.5 cm x 9.0 cm with a Flame Spread Class 1 standard.

• ASTM F2100 Level 3 masks
• Health Canada approved for medical use
• Adjustable nose bar, 3-ply construction
• Hypoallergenic non-woven filter