- Proprietary Twin-Cup™ desig has soft, foam-filled earmuffs
- Easy cap-mount design
- Earcup pivot points that tilt for optimum comfort and efficiency
- Liquid/foam filled earmuff cushions
- Color: Black
- Color coding to help match attenuation needs
- For noise levels up to 105 dBA; NRR8: 27 dB; CSA Class AL
* 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