Bouchon anti-bruit sur arceau SNR 23dB lot de 40 pcs - SODISE
Bouchon anti-bruit sur arceau SNR 23dB lot de 40 pcs
Position sous le menton.Embouts en mousse de polyuréthane.
Conforme à la norme EN 352.
SNR = 23dB
H = 27dB
M = 19dB
L = 17dB.
Point info :
H : hautes fréquences (aigues)M : moyennes fréquences
L : basses fréquences (graves)
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