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 un