3M™ E-A-R™ Classic™ Corded Earplugs 311-1101, in Poly Bag
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. Corded for easy short term storage around the neck. 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