NIOSH Guide to the Selection and Use of Particulate Respirators
North Half-Full Mask Spec Sheet and Cartridge and Filter Reference Chart
Organic Vapor and Acid Gas (Chlorine, Hydrogen Chloride, Sulfur Dioxide,Hydrogen Fluoride, Chlorine Dioxide) Cartridge with a P100 Particulate Filter
(99.97% minimum particulate filter efficiency) for all particulates. (NIOSH Color Code: Yellow and Magenta)