3M Peltor H540A-411-SV Optime 3 Headband Ear Muffs
- 3M Optime III Earmuffs have been developed for use in extremely high noise environments, particularly those dominated by high-frequency sounds.
- Double casings technology helps minimize resonance effect
- Available in Hi-Viz green for workers who need hearing protection and are extra visible – on road construction sites, airports, other high-risk workplaces.
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