3M Magenta/Orange Mercury Vapor/Chlorine Gas P100 Combination Cartridge/Filter (For Use With 6000 And 7000 Series Full Facepiece Respirator, 6000 Series Half Facepiece Respirator, 7000 Series Half Facepiece Respirator And FF-400 Respirator) 3M Magenta/Orange Mercury Vapor/Chlorine Gas P100 Combination Cartridge/Filter (For Use With 6000 And 7000 Series Full Facepiece Respirator, 6000 Series Half Facepiece Respirator, 7000 Series Half Facepiece Respirator And FF-400 Respirator)