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Peltor 3M Optime 105 Dielectric Earmuff, Hard Hat Attached, 27 dB, CSA Class AL, H10P3E-01-1PK - Sports - Amazon.com
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3M H10A Peltor Optime 105 Over the Head Earmuff, Ear Protectors, Hearing Protection, NRR 30 dB,Black, Red - Safety Ear Muffs - Amazon.com
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3M Peltor Optime Plastic Hearing Protection Earmuffs in the Hearing Protection department at Lowes.com
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