Wovenx 4-Layer ASTM F2100 Level 3 Black Face Mask (50 Pieces)
ASTM F2100 LEVEL 3 FACE MASKS 4 Layer face mask design with a melt blown filter for protection
BACTERIAL FILTRATION EFFICIENCY > 99
SUB MICRON PARTICULATE FILTRATION FOR PARTICLE SIZE 0.1 μm: > 99%
COMFORTABLE MASK FIT Elastic earloops and an adjustable nose piece for breathable facial protection
QUALITY Each face mask is constructed with unique 4-ply non-woven fabric and melt blown cloth for face protection. This allows for comfortable wear, breathability, and face coverage.