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How long can Serenity hearing protection be used before it must be replaced?

April 26, 2017hearing serenity Used

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How long can Serenity hearing protection be used before it must be replaced?

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Serenity is particularly resistant to mechanical and chemical stresses and can be used for between 3 and 5 years. This life-span can even be extended through the scheduling of regular, individual attenuation (sound damping) performance measurements.