3M H10B Peltor Optime Behind The Head Earmuffs NRR 29 dB

3M H10B Peltor Optime 105 behind-the-head earmuffs features low-profile earcups that fit well with most helmets, Feature double-shell technology for effective hearing protection. For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide effective hearing protection - Patented Twin-Cup(TM) 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™.

Features and Specs:

• 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.

For industrial/occupational use only. Not for consumer sale or use 

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