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- 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.
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