3M™ UltraFit™ Earplugs, Uncorded, 100 Pair/Box 340-4004


  • Poly bag keeps each pair of earplugs available or accessible for re-use.
  • Proprietary, premolded, triple-flange earplug design inserts easily.
  • Soft polymer is washable and reusable
  • Noise Reduction Rating (NRR)*: 25 dB. CSA Class AL
  • Test compatible with 3M™ E-A-Rfit™ Validation System
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