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3M - H7B Peltor Optime 101 Behind-the-Head Earmuff, Hearing Protection, Ear Protectors, NRR 26 dB Green: Hunting Earmuffs: Amazon.com: Tools & Home Improvement
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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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