Removing lead paint and mold requires great responsibility and serious protection. The 3M™ Particulate Filter P100 helps filter out harmful particles plus nuisance solvent odors while you're sanding and scraping. For professional use only and used as a direct filter replacement for the 3M™ Mold and Lead Paint Removal Respirator #6297. These replacement filters also provide ozone protection­–up to ten times the OSHA permissive exposure limit. When your filter becomes dirty, damaged or difficult to breathe through, replace with the trusted protection of the 3M™ Particulate Filter P100 #2097. NIOSH approved: P100. Contains 2 pair.