Removing lead paint and mold requires great responsibility and appropriate protection. The 3M Hard Case Particulate Filters 7093 help filter out particles while you're sanding and scraping. These filters are for professional use only and are to be used as a filter replacement for the 3M Hard Case Particulate Reusable Respirator 62093. When your filters become dirty, damaged or difficult to breathe through, replace them with the trusted protection of the 3M Hard Case Particulate Filters 7093 for the 3MHard Case Particulate Reusable Respirator 62093.