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3M™ E-A-R™ Earmuffs 331-4000, Model 4000 20 EA/Case

3M ID  70071515426     
Model 4000 NRR 27 dB 331-4000
EAR Model 4000, Earmuff, 20 ea/case.
  • Vertical adjustment system for quick and easy fitting.
  • Large earcup openings to fit most ear sizes.
  • Soft, wide cushions for even pressure and extra comfort.
  • Noise Reduction Rating (NRR)* 27dB. CSA Class A.
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Overview

Documents
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Outstanding comfort and protection at a budget-conscious price.

∙ Vertical adjustment system for quick and easy fitting.

∙ Large earcup openings to fit most ear sizes.

∙ Soft, wide cushions for even pressure and extra comfort.

∙ Noise Reduction Rating (NRR)* 27 dB. CSA Class A.

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.

3M is Leading the Advancement of Hearing Conservation™.

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Specifications

Color Black/Blue
Hearing Protection Style Multi-position
Material ABS
Noise Reduction Rating 27 Decibel
Product Type Earmuffs
Size One Size Fits Most