• 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 • Flame resistant—important for potential arc flash situations and for storage considerations • Noise reduction rating (NRR) 29 dB. CSA Class AL • Reusable Pillow Pack helps keep earplugs clean when they are not being worn.
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