Earplugs uvex hi-com
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Notches generate a larger surface facing the eardrum, so that an acoustically weaker and thus more absorbent reflective surface is created. This reduces the noise within the inner ear. The lower attenuated value improves perception of communication, yielding good perception of speech and warning signals. SNR 24 dB H = 26 dB, M = 20 dB, L = 18 dB.
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