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™.