3M Peltor Optime 101 Behind-the-Head Earmuffs fit well with most helmets, eyewear and other safety equipment. For noise levels up to 101 dBA, these behind-the-head earmuffs provide effective hearing protection. Stainless steel band distributes weight for low-pressure fit. Earcup pivot points that tilt for optimum comfort and efficiency. Made of liquid/foam filled earmuff cushions. Color-coding for compliance sighting. Noise Reduction Rating (NRR)*: 26 dB. CSA Class A
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.