"3M E-A-Rsoft FX Corded foam earplugs feature a bell-shaped and super-soft, slow recovery foam to effectively seal the ear canals and provide reliable hearing protection. NRR 33dB. Flanged end allows easy insertion and removal. U.S.A. Adjustable Fit No, Pairs qty. 100, AM/FM Radio No, Battery Required No, Disposable Yes, Case Included No, Noise Reduction Rating NRR dB 33, Hearing Protector Type Earplugs."
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