The #1 reusable earplug in the world Triple flange design allows for a comfortable, snug fit. Cord reduces the chance of earplugs falling into the work area. NRR 21dB. U.S.A. Adjustable Fit One size fits all, AM/FM Radio No, Disposable No, Hearing Protector Type Earplugs, Noise Reduction Rating NRR dB 21, Pairs qty. 1, Battery Required No, Case Included Yes.
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