3M 311-1254

Discription:

  • Soft, pliable foam offers comfort for wearing over an extended time
  • Orange “fitting ring” provides a guideline for proper fitting and quick visual hearing protection compliance check
  • Noise Reduction Rating (NRR)* 33 dB. CSA Class AL.
  • Test compatible with 3M™ E-A-Rfit™ Validation System.
  • Noise reduction rating (NRR) 33 dB CSA Class AL
  • 3M™ E-A-Rsoft™ corded foam earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and reliable hearing protection. Orange fitting ring provides a guideline for proper fitting and visual compliance check.
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