
CONIC200 ПОЛИУРЕТАНОВЫЕ БЕРУШИ (SNR 36 dB) Цвет
красный
Размер ,
EN352-2:2002 Hearing protection : Earplug
SNR 36 dB | Average noise attenuation | |
H 34 | High frequency attenuation | |
M 34 | Medium frequency attenuation | |
L 31 | Low frequency attenuation | |
Ø 7-12 mm | Dimension |
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USA STANDARDS
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ANSI S3.19-1974 American National Standards Institute
NRR 33 dB | NRR – (Noise Reduction Rating - Noise Reduction Rating) |