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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
• Flame resistant��important for potential arc flash situations and for storage considerations

 

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