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3M Peltor H6P3E/V Optime 95 Helmet Attachable Earmuff, Hearing Protection, Ear Protectors, NRR 21dB, Ideal for machine shops and power tools: Amazon.com: Tools & Home Improvement
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3M™ PELTOR™ ALERT™ M2RX7P3E2-01, FM-Radio, Level Dependent Headset Helmet Attached, 10 Each/Case | 3M United States
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