The 3M™ half facepiece respirator 07183 features a reusable design with replaceable filter that can be used for grinding, sanding, welding and brake and clutch repair applications. It features a P100 Filter with nuisance level relief against organic vapor and ozone protection up to 10X the occupational exposure limit (OEL). The 3M™ half facepiece respirator 07182 is not NIOSH certified for use against ozone.