"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, Battery Required No, Hearing Protector Type Earplugs, Noise Reduction Rating NRR dB 21, Case Included Yes, Pairs qty. 1, AM/FM Radio No, Disposable No."
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