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  • 3M E-A-R Classic Earplugs set the standard in hearing protection as the world's first foam earplugs
  • Slow recovery, low pressure foam conforms to the shape of the ear canal for enhanced comfort and wearability
  • Moisture-resistant—helps maintain a consistent expansion time, even in humid environments
  • Noise reduction rating (NRR) 29 dB. CSA Class AL

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