3M™ E-A-R Model 3000 Earmuffs

Features a durable, lightweight construction of non-conductive, dielectric plastic that can be worn over-the-head, behind-the-neck or under-the-chin. The large ear cup openings and soft, foam-filled cushions offer a snug, comfortable fit. NRR: 25 dB when the band is worn over-the-head, NRR: 26 dB when the band is worn under-the-chin or behind-the-head. 

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