3M Peltor Optime 101 Cap-Mount Earmuffs provide effective hearing protection for noise levels up to 101 dBA. The earmuffs feature a stainless steel headband for consistent force and effective hearing protection. Cap-mounted design allows for easy use with most hard hats. Made of liquid/foam filled ear cushions. Color-coding for compliance sighting. Noise Reduction Rating (NRR)*: 24 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.