3M™ PELTOR™ Optime™ 105 Earmuffs H10B - Behind-the-Head

For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide effective hearing protection

Patented Twin-Cup™ design has soft, foam-filled earmuff cushions

Behind the head design allows for easy use with hard hats

Liquid/foam filled earmuff cushions

Color-coding for compliance sighting

Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL

*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™.

• Patented Twin-Cup™ design has soft, foam-filled earmuff cushions.

• Behind the head design allows for easy use with hard hats.

• Color-coding for compliance sighting.

• Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL