3M Peltor Optime 105 Earmuffs is for noise levels up to 105 dBA. These over-the-head earmuffs feature double-shell technology to provide effective hearing protection. High-visibility green color for workers in low light conditions. 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. olor-coding to help match attenuation needs Noise Reduction Rating (NRR)*: 30 dB. CSA Class AL
Applications: Automotive, General Manufacturing, Sub Applications, Military Maintenance, Military Maintenance, Repair and Operation (MRO), Mining, Oil & Gas, Pharmaceutical, Repair and Operation (MRO), Transportation
*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.