You often want respiratory relief when spraying varnishes or staining a deck. the 3M 65021 household multi-purpose respirator helps filter out the particles and certain odors you don't want to inhale, while providing comfort with adjustable features. the cartridges sit swept back for a larger field of view, and the reUSAble design can last from one project to the next. give yourself the 3M household multi-purpose respirator 65021 for projects on your to-do list.You often want respiratory relief when spraying varnishes or staining a deck. Designed for DIY users, the 3M Odor/Particulate Multi-Purpose Reusable Respirator 65021 helps filter out the particles and certain odors when spray painting, while providing comfort with a lightweight construction and adjustable head straps. The NIOSH-Approved Organic Vapor/P100 combination cartridge help reduce expose to certain organic vapors and provides at least 99.97% filtration efficiency against solids and liquid aerosols, as well as oil-based particulates. The cartridges sit swept back for a wide field of view, and the reusable design can last from one project to the next. It also features a 3M Bayonet Connection, making it compatible with a wide range of 3M cartridges and filters. Disclaimer: 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: Limitations apply; 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 reusable respirator kit includes one facepiece and one pair of replaceable organic vapor/P100 particulate cartridge/filters.