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

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

EAR Model 4000, Earmuff, 20 ea/case.

Benefits

  • 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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