330-3001

Product Description

3M™ Model 1000 Earmuffs » These lightweight earmuffs may be worn over-the-head, behind-the-head or under-the-chin » Large ear cup openings and soft, foam-filled cushions offer a snug, comfortable fit » Durable, lightweight construction of non-conductive, dielectric plastic » Noise Reduction Rating* NRR 20 dB (CSA class B) when the band is worn over-the-head. NRR 22 dB (CSA Class A) when the band is worn under the-chin. NRR 22 dB (CSA Class B) when band is worn behind-the-head.

Part#  330-3001                 Description  NRR 22 dB One Size Fits Most