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CONICFIR050 ТЕРМОПЛАСТИКОВЫЕ БЕРУШИ НА ШНУРКЕ (SNR 34 dB)
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CONICFIR050 ТЕРМОПЛАСТИКОВЫЕ БЕРУШИ НА ШНУРКЕ (SNR 34 dB) Цвет
серый
Размер ,
EN352-2:2002 Hearing protection : Earplug
| SNR 34 dB | Average noise attenuation | |
| H 33 | High frequency attenuation | |
| M 32 | Medium frequency attenuation | |
| L 31 | Low frequency attenuation | |
| Ø 8-12 mm | Sizes / Dimensions |
USA STANDARDS
ANSI S3.19-1974 American National Standards Institute
| NRR 26 dB | NRR – (Noise Reduction Rating - Noise Reduction Rating) |
,
EN352-2:2002 Hearing protection : Earplug
| SNR 34 dB | Average noise attenuation | |
| H 33 | High frequency attenuation | |
| M 32 | Medium frequency attenuation | |
| L 31 | Low frequency attenuation | |
| Ø 8-12 mm | Sizes / Dimensions |
,
USA STANDARDS
,,
ANSI S3.19-1974 American National Standards Institute
| NRR 26 dB | NRR – (Noise Reduction Rating - Noise Reduction Rating) |
