3M 340-4002 Reusable Ultrafit Corded Ear Plug w/Case 25dB Anchorage & Connectors It is commonly used in

It is commonly used in the following industries: utilities

brick dust and cement dust

TR-6510N (OV/HE) Cartridge

the combination of which provides an excellent barrier to many harmful chemicals

3M 340-4002 Reusable Ultrafit Corded Ear Plug w/Case 25dB Anchorage & Connectors It is commonly used inThe 3M E A R UltraFit Corded Earplug feature a no roll, triple flange design that provides quick, clean, and comfortable hearing protection. The tip stays clean even if hands are dirty or gloves are worn. The soft polymer earplugs are washable and reusable so they dont need to be replaced as often, reducing waste and lowering costs. Benefits: NRR 25dB Patented flange design gives the most comfortable fit of any reusable Conforms to oval shape of ear