3M™ Combination Cartridge, For Use With: 3M™ 6000, 7000, FF-400 Series Half and Full Facepiece Respirators with Bayonet Filter Holder, Chlorine, Hydrogen Chloride, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride Gas, P100 Filter Class, 0.9997 Filter Efficiency, Bayonet Connection, Magenta/Olive, Resists: Organic Vapors, Oil and Non-Oil Based Particles, 4.2 in L x 3.4 in H Dimensions