3M™ 311-1105 E-A-R™ Classic™ Plus Corded Earplugs, 200 Pairs In Poly Bags

3M™ E-A-R™ Classic™ corded foam earplugs set the standard in hearing protection as the world's first foam earplugs. Classic™ Plus earplugs are slightly longer than regular E-A-R™ Classic™ earplugs to fit deeper into the ear canal and provide higher noise reduction. Classic Plus earplugs are slightly longer than regular size Classic earplugs for higher noise reduction when fit deeply in the ear canal. Low pressure in the ear for enhanced comfort Moisture-resistant—helps maintain a consistent expansion time, even in humid environments Noise Reduction Rating (NRR) 33 dB. CSA Class AL Noise reduction rating (NRR) 33 dB. CSA Class AL