Diamond Tool: 3M 330-3001 1000 Ear Muffs

Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fitDurable, lightweight construction of non-conductive, dielectric plasticNoise 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. ...

Brand Name

Item

36-3989

Model

330-3001

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Overview

Large earcup 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

Alternate Catalog Numbers: 36-3989