475M52 PASSIVE EAR MUFFS HARD HAT-MOUNTED 20 DB YES BLACK X 3M 475M52

3M Peltor X 20 dB NRR Hard Hat-Mounted Passive Ear Muffs attach to slots or adapters on a compatible hard hat. They make it easier for workers to wear hearing protection without having to manage a separate piece of equipment. The final NRR rating achieved is affected by fit and the hard hat to which the earmuffs are attached.