Worlds #1 selling hearing protector. Soft foam gently fills ear canal for custom fit. 200 pair per box. NRR 29dB. U.S.A. Hearing Protector Type: Earplugs, Noise Reduction Rating (NRR) (dB): 29, Adjustable Fit: One size fits all, AM/FM Radio: No, Pairs (qty.): 200, Disposable: Yes, Battery Required: No, Case Included: No
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