3M™ Optime 105 Earmuffs H10AHV - Twin cup design minimizes resonance, thus achieving maximum high and low frequency attenuation. Pivoting earcups for optimum fit. Padded steel headband with four point suspension for extra comfort. Material(s): ABS Plastic; Ear Cushion Material: Liquid/Foam; Noise Reduction Rate (NRR): 30 dB; Style: Over the Head.
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