The 3M Odor/Particulate Cartridge 60921 helps filter out airborne particles and certain odors. It�s designed for use with the 3M Odor/Particulate Multi-Purpose Reusable Respirator 65021. The 3M Bayonet Connection allows for use with any 3M 6000, 6500 and 7500 series facepiece. For help in determining when to change your 3M cartridge, visit 3M.com/Service Life. Refer to Pesticide Product Label for Respirator Guidance or call 3M at 1-800-243-4630 or in Canada, call 1-800-267-4414. DIY/Home Use: Use ONLY in NON-HARMFUL environments. Workplace/Occupational/Hazardous Use: Use under a government-compliant respiratory protection program (e.g., OSHA). WARNING: Workplace/Occupational Applications: Use under a government-compliant respiratory protection program (e.g., OSHA). This respirator helps protect against certain airborne contaminants. Misuse may result in sickness or death. For correct use, consult supervisor and User Instructions, or call 3M in USA at 1-800-243-4630. In Canada, call 1-800-267-4414. This NIOSH-Approved Organic Vapor (OV) respirator cartridge with P100 filter helps provide at least 99.97% filtration efficiency against solids and liquid aerosols including oil-based particles. It also helps with odor reduction from certain non-harmful sprays/vapors from latex and oil-based paints, stains, varnishes, coatings, and sealants. This replacement combination cartridge/filter is oil proof and easy to install. Pack contains 1-pair of 3M Odor/Particulate Cartridges 60921.