3M™ Peltor™ Optime 105 Behind-the-Head Earmuffs H10B feature low-profile earcups that fit well with most hard hats and feature double-shell technology for effective hearing protection.
3M™ Optime 105 Behind-the-Head Earmuffs H10B are intended for noise levels up to 105 dBA. They feature added mass and volume, plus a double-shell ear cup design (two cups connected via foam inner layer) to boost the noise reduction through the full range of low and high frequencies. The durable headband is allows for easy wear with hard hats, and soft, liquid and foam filled earmuffs fit comfortably against the head to provide an effective noise-blocking seal.
For noise levels up to 105 dBA Proprietary 3M™ Twin-Cup™ design has soft, foam-filled earmuffs for enhanced hearing protection Behind the head design allows for easy use with hard hats Liquid/foam filled earmuff cushions for comfortable long-term wear Colour-coded for compliance sighting Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL 3M is Leading the Advancement of Hearing Conservation