Description
PRODUCT USE – RISKS:
-
Light industry
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- Noise
SNR 36 dB | Average noise attenuatio | |
H 34 | High frequency attenuation | |
M 34 | Medium frequency attenuation | |
L 31 | Low frequency attenuation | |
Ø 7-12 mm | Sizes / Dimensions |
USA STANDARDS
ANSI S3.19-1974 American National Standards Institute
NRR 33 dB | NRR – (Noise Reduction Rating – Noise Reduction Rating) |
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