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- Classic Plus earplugs are slightly longer than regular size Classic earplugs for higher noise reduction when fit deeply in the earcanal
- 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) 33 dB. CSA Class AL
- Flame resistant for potential arc flash situations and safer storage
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