3M PELTOR Optime 101 Earmuffs H

Dielectric
Cap-mounted design allows for easy use with most hard hats
Color-coding for compliance sighting
Noise Reduction Rating (NRR)*: 24 dB. CSA Class A
Noise Reduction Rating (NRR)*: 24 dB. 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