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Reference: 2250100050
3M™ PELTOR™ Optime™ III Earmuffs have been developed for use in extremely high noise environments, particularly those dominated by low frequency sounds. The product is based on a technology featuring blД«vgredzena to help minimise resonance effect, resulting in excellent high frequency attenuation. In addition, a combination of specially designed spacer and cup helps to provide excellent protection against high frequency sounds.