The 3M Particulate Respirator 9123 is a maintenance-free, flat fold P2 disposable respirator that is intended for use by consumers used in consumer applications (and other users where permitted by applicable regulations) to help reduce exposure to certain airborne particulate matter The respirator is worn over the mouth and nose and attaches via elastic side bands with hook attachment behind the base of the head/top of the neck When used as instructed, this respirator can help reduce inhalation exposure to certain types of non-oily airborne particles, such as dirt, dust, sand, vehicle exhaust particles, pollen, environmental air pollution, PM2.5(fine particles), PM10 and other airborne particulate matter Filter media filters greater than or equal to 95% airborne particulate matter Uses 3M advanced electrostatic filter material to capture airborne particles P2 Classification Made of premium materials