Conforms to any size or shape face
the wearer pinches the aluminum strip to create a custom fit
Meets En14683 Rating - Type IIR Standard
Fluid Resistance - 120mmHg
BFE>98%
PFE=99.5% @ 0.1 Micron
Delta P (breathablility)<5.0 H2O/cm²
Flame Spread Class 1
Extra long, aluminum nose piece
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