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. Battery Required No, Hearing Protector Type Earplugs, Adjustable Fit One size fits all, Noise Reduction Rating NRR dB 21, Case Included Yes, Disposable No, AM/FM Radio No, Pairs qty. 1.
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