Cap-mounted design allows for easy use with most hard hats.
Color-coding for compliance sighting.
Noise Reduction Rating (NRR)*: 24 dB. CSA Class A.
3M™ Peltor™ Optime™ 101 cap-mounted earmuffs feature a stainless steel headband for consistent force and effective hearing protection.
For noise levels up to 101 dBA, these cap-mount earmuffs provide effective hearing protection. - Cap-mounted design allows for easy use with most hard hats. - Liquid/foam filled ear cushions. - Color-coding for compliance sighting. - Noise Reduction Rating (NRR)*: 24 dB. CSA Class A *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™.