A variety of face masks, including ASTM level protective masks, designed for barrier protection in a variety of environments.
4521
BFE: ≥ 98%
PFE: ≥ 98%
4522
BFE: ≥ 99%
4508
BFE: ≥95% @ 3.0 Micron
PFE: 98.5% @ 0.5 MICRON
4517
BFE: ≥98% @ 3.0 Micron
PFE: ≥98% @ .01 Micron
4514
BFE: >99% @ 3.0 Micron
PFE: 99.4% @ 0.1 Micron