For noise levels up to 105 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)*: 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.
3M is Leading the Advancement of Hearing Conservation™.