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Adaptable with headgear and helmet

>> Yellow ABS shells
>> PVC cushions with leather touch
>> Soft comfortable extend headband
>> Weight : 178 gr

EN 352-1

SNR: 25 db

H:31

M:21

L:12

Hz Frequency 125 250 500 1000 2000 4000 8000
dB Mean attenuation 8,8 14.7 23.8 23.8 33.4 35.1 33.4
dB Standard deviation 3.3 2.5 2.8 2.1 2.7 2.1 4.1
  Effective protection 5.5 12.2 21.0 21.7 30.7 33.0 29.3

Definitions
SNR >> Single Number Rating indicating the attenuation a hearing protector might provide.
H, M, L >> partial indication of the attenuation a hearing protector will provide in
H : High frequency biased noise environment.
M : Medium frequency biased noise environment.
L : Low frequency biased noise environment.

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