3Mâ„¢ E-A-Râ„¢ Classicâ„¢ Earplugs 311-1081, Corded, Econopack Dispenser Box, 1500 EA/Case

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 Cord allows earplugs to be stored conveniently around the neck in between uses 3M™ E-A-R™ Classic™ corded earplugs set the standard in hearing protection as the world's first foam earplugs. Constructed from slow-recovery foam, these disposable earplugs are uniquely moisture-resistant. Still one of the most widely used foam earplugs today, the 3M™ E-A-R™ Classic™ earplug is an economical, reliable choice in hearing protection and hearing conservation. Slow recovery, low-pressure foam conforms to the shape of the earcanal to help