Features These half-mask respirators are made by 3M. Half-mask respirators are NIOSH-rated to provide respiratory protection from exposure to vapors, gases, and particulates, including those produced during spray painting, cleaning, and chemical processing. They use cartridges and filters that can be customized to filter specific hazards and can be changed when they become dirty. Facepiece Material / Thermoplastic Elastomer Head Harness Material / Neoprene Elastic, Thermoplastic Elastomer Mask Size / M Cartridges Included / Yes Number of Cartridges Included / 2 NIOSH Rating / Organic Vapor (OV) Includes / (2) Organic Vapor (OV) Cartridge Series / 5000 Compatible with Brand and Series / 3M 5000 Series Disposable/ Reusable / Disposable Respirator Connection Type / Fixed Configured For / Cartridges Mask Headstrap Type / Standard Color / Gray Standards / NIOSH TC-23C-859, OSHA 29 CFR 1910.134