Level 3, 4-ply mask
4-Fold Comfortable Design
Silky ultra-soft cellulosic white inner layer
Meltblown filtration middle layer,
another perforated film for the third layer and
Fluid resistant perforated film outer layer.
Aluminum nose piece
Provides exceptional protection and breathability
BFE≥ 99% at 3 microns
PFE≥ 99% at 0.1micron
ASTM Level 3
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