Description
Two Hole Pins, 1 2 in 1 15 16 in, Large Threaded ORS NASCO Added carbon layer helps filter Added carbon layer helps filter out nuisance levels of ozone and organic vapors (less than OSHA PEL) Dura Mesh® shell resists collapsing in heat and humidity Exhalation valve can be worn in environments where accidental exposure to electrical charge is possible Available with HydroShield® and Uvextreme Plus® anti fog (AF) lens coating for superior