3M™ E-A-R™ Classic™ Uncorded 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 conservation. Slow recovery, low-pressure foam conforms to the shape of the ear canal to help create a comfortable, snug noise barrier. Poly bag keeps disposable earplugs available. Flame-resistant and moisture-resistant. Noise Reduction Rating (NRR): 29 dB CSA Class AL. Test compatible with 3M™ E-A-Rfit™ Validation System. The NRR may overestimate the hearing protection provided during typical use. 3M™ recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M™ is Leading the Advancement of Hearing Conservation™.
Features
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