The 3M Replacement Cartridges for the 3M Multi-Purpose Respirator are designed to help filter a broad range of airborne contaminants when tackling tough jobs like mold cleanup, lead abatement, or spray applications such as paint or pesticides*. These OV/AG/P100 cartridges are for professional use only and are to be used as a direct cartridge replacement for the 3M 62023 Multi-Purpose Respirator. These replacement combination cartridges/filters are easy to install. When it is time to replace the cartridges, replace them with the trusted protection of 3M 60923 Performance Cartridges for Multi-Purpose Respirator.