3M Peltor Optime 105 Behind-the-Head Earmuffs H10B, NRR 29 dB NRR, Case/10
$217.50
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3M™ Peltor™ Optime™ 105 dBA behind-the-head earmuffs from Blue Monster Prep feature low-profile earcups that fit well with most helmets, and double-shell technology for effective hearing protection. Features 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 Includes 10 pairs of Earmuffs *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.
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