For noise levels up to 105 dBA, these over-the-head earmuffs feature
double-shell technology to provide effective hearing protection.
Proprietary Twin-Cup™ design has soft, foam-filled earmuffs. Stainless steel headband distributes weight for low-pressure fit. 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)*: 30 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™.