2400 N95 Particulate Respirators• Added carbon layer helps filter out nuisance levels of ozone and organic vapours (less than OSHA PEL) • Exhale valve reduces hot air build-up • Dura-Mesh® shell resists collapsing • Contour molded nose bridge with soft foam nose cushion provides all-day comfort• Meets heat and flame resistance in accordance with ANSI/ISEA 110-2003 section 7.11.1 • NIOSH approved N95 • 10 respirators per bag