3M™ E-A-R™ Classic™ uncorded and corded earplugs set the standard in hearing protection as the world's first foam earplugs. Constructed from slow-recovery foam, the disposable earplug comes in refill bottle/
• 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
Supplied in a refill bottle with 500 ear plugs.