- For noise levels up to 95 dBA.
- Stainless steel construction resists bending and warping.
- Earcup pivot points tilt for optimum comfort and efficiency.
- Noise Reduction Rating (NRR)*: 21dB. CSA Class B.
*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.