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
- For noise levels up to 101 dBA
- Stainless steel band distributes weight for low-pressure fit
- Features an ear cup button for listening mode
- For industrial/occupational use only. Not for consumer sale or use
- 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
- For noise levels up to 101 dBA
- Stainless steel band distributes weight for low-pressure fit
- Features an ear cup button for listening mode
- For industrial/occupational use only. Not for consumer sale or use