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3M E-A-R Earmuffs, 27 dB NRR, Case/20

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Product Description

Item # 331-4000

Outstanding comfort and protection from Blue Monster Prep at a budget-conscious price.

Features

  • Vertical adjustment system for quick and easy fitting
  • Large ear cup openings to fit most ear sizes
  • Soft, wide cushions for even pressure and extra comfort
  • Noise Reduction Rating (NRR)* 27dB. CSA Class A
  • Includes 20 pairs of Earmuffs

*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.

$ 197.50

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