Model N75003:

Organic Vapor, Chlorine, Hydrogen Chloride, Sulfur Dioxide, Hydrogen Fluoride, Chlorine Dioxide Cartridge.

Model 7583P100:

As above with P100 Particulate filter

North Safety Organic Vapor Chlorine Hydrogen Chloride Sulfur Dioxide Hydrogen Fluoride Chlorine Dioxide Cartridge, North Safety Organic Vapor Chlorine Hydrogen Chloride Sulfur Dioxide Hydrogen Fluoride Chlorine Dioxide Cartridge, North Safety Organic Vapor Chlorine Hydrogen Chloride Sulfur Dioxide Hydrogen Fluoride Chlorine Dioxide Cartridge