3M HEADSET, OVER THE EAR, VOLUME CONTROL, 21 DB NOISE CANCELLING, BLACK - Two Way Radio Headsets - MMMMT13H220A | MT13H220A - Grainger, Canada
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3m Worktunes Connect Hearing Protector with Bluetooth Technology, 24 Db Nrr, Ear Protection for Mowing, Snowblowing, Construction, Work Shops : Amazon.ca: Tools & Home Improvement
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Rechargeable Worktunes Bluetooth Wireless Headphones for 3M, Peltor CBGNAWUS1754 197111344021 | eBay
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