3Mâ„¢ Organic Vapor Replacement Cartridges, used by professionals for sanding and scraping of lead-based paint in certain projects, are NIOSH approved and provide at least 99.7% filter efficiency against solid and liquid particles that contain oil. Easy to use with 3Mâ„¢ 6000 Series Respirators, 3Mâ„¢ Organic Vapor Replacement Cartridges are great choice in respiratory protection for the pro when working on certain lead-based paint projects.