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