With collapse resistant double shell construction made to withstand hot and humid conditions.
Low breathing resistance for increased wearer comfort. Fringe seal avoids open layer around the edges.
Latex-free head straps, adjustable nose clip and soft foam nosepiece for comfortable custom fit.

Exhalation valve reduces hot air buildup and easy breath in hot/humid environments.
Covered with active carbon (OV) pre-filter against nuisance organic vapors below OEL.