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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 resistance helps maintain a consistent expansion time, even in humid situations
- Noise Reduction Rating (NRR) 29 dB. CSA Class AL
- Flame resistant for potential arc flash situations and safer storage
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