For noise levels up to 101 dBA, these cap attached with double-shell technology to provide effective hearing protection
- Proprietary Twin-Cup™ design 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-coding to help match attenuation needs.
- Noise Reduction Rating (NRR)*: 24 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.
