High Efficiency Cartridge for 3M Breathe Easy Systems Protection against Particles Sold Individually This line of high efficiency filters and cartridges are designed for use with the 3M Air-Mate High Efficiency Systems. The filters provide respiratory protection against dusts, fumes, asbestos, radionuclides and radon daughters. The cartridges offer protection from organic vapors, acid gases. It is a line of filters and cartridges which offer a high level or respiratory protection. Sold Individually.