3M™ E-A-R™ Classic Plus Disposable Earplugs, Foam, Corded, 29 NRR, 200 Pair/Box

Earplugs that set the standard in hearing protection as the world's first foam earplug. Constructed from slow-recovery, low pressure foam that conforms to the shape of the ear canal for enhanced comfort and wearability. These disposable earplugs are uniquely moisture and flame resistant. Yellow plug with or without blue cord. NRR: 29 dB. 200 pair/box; 10 boxes/case.

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