For noise levels up to 105 dBA, these over-the-head earmuffs
with double-shell technology provide optimal 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)*: 30dB.
*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. 085883358833