Item DetailsSurvivair Twist-On Type Multi-Containment Cartridge is compatible with T Series Facepieces comprising P100 filter and helps to give protection against organic vapors, ammonia, methylamine, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen fluoride, hydrogen sulfide, formaldehyde, nitrogen dioxide and particulates free of oil.FeaturesHalf mask, full face mask respiratorBenefitsTwist-Lock cartridges provide an audible click indicating a positive lock on connector