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

3M ID 7000029954
  • 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 when worn over the head NRR 27 dB/CSA Class A. When worn behind the head or under the chin NRR 26 dB/CSA Class A *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR according to the authority in your juristiction or reduce by 50% for estimating the amount of noise reduction provided.
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Details

Provides outstanding comfort and protection at a budget-conscious price. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR according to the authority in your juristiction or reduce by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.

  • 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 when worn over the head NRR 27 dB/CSA Class A. When worn behind the head or under the chin NRR 26 dB/CSA Class A *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR according to the authority in your juristiction or reduce by 50% for estimating the amount of noise reduction provided.
Specifications
Brand
E-A-R™
Color
Black/Blue
Electrically Insulated
Yes
Hearing Protection Style
Over-the-Head
Material
ABS
Packaging
Box
Product Series
E-A-R
Product Type
Over-The-Head Earmuffs
Shape
Earmuffs
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