"The 3M E-A-R Classic Corded Earplugs are the world's first foam earplugs and still the most widely used cylindrical earplug today. NRR 29dB. Slow recovery foam provides comfort with low pressure. 200 pairs. Pairs qty. 200, Disposable Yes, Battery Required No, Adjustable Fit No, Case Included No, AM/FM Radio No, Hearing Protector Type Earplugs, Noise Reduction Rating NRR dB 29. Moisture-resistant Flame-resistant Yellow"
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