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 low-pressure 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 create a comfortable, snug noise barrier. - Econopack gives you the best value—with savings of up to 20%. - 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™.
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