• Optime II has been developed for demanding noise-hazard environments and muffles even extremely low frequencies to a maximum degree.
• The sealing rings are filled with a unique combination of liquid and foam. The result is an optimum seal with low contact pressure, which provides snug comfort even during long-time use.
• The sealing rings have ventilation channels and are covered with soft, patterned, hygienic foil.
• Optime II is a suitable choice for environments with substantial industrial noise or construction machinery, airports and agricultural work.
• SNR 31db
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