New product
3M™ Peltor™ Optime™ 101 Behind-the-Head Earmuffs, Hearing Conservation H7B
Noise Reduction Rating (NRR)*: 26 dB. CSA Class A. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.