3M Peltor Optime 101 Over-the-Head Earmuff, Hearing Protection, Ear Protectors, NRR 27dB
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<b>[Product Information]</b><br>
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<li>Recommended for very high noise level environments</li>
<li>Noise reduction rating of 27 dB</li>
<li>Excellent attenuation at low and high frequencies</li>
<li>Two low mounting points provide great comfort</li>
<li>Simple and easy height adjustment</li>
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