Still one of the most widely used foam earplugs today, the 3M™ E-A-R™ Classic™ earplug is an economical, reliable choice for hearing protection and hearing conservation. Slow recovery, low-pressure foam conforms to the shape of the earcanal to help create a comfortable, snug noise barrier.
Poly bag keeps each pair of disposable earplugs available or accessible for re-use.
Flame-resistant and moisture-resistant.
Corded for easy short term storage around the neck.
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