COMPOSITION
Cup: ABS.
Cushion: Foam.
Headband: ABS.
Norms
USA STANDARDS
-ANSI S3.19-1974 : American National Standards Institute
-NRR – (Noise Reduction Rating - Noise Reduction Rating) : NRR 21 dB
Certif. S mark Resolution 896/99
-EN352-1 : Hearing protection : Ear-muff
-Average noise attenuation : SNR 30 dB
-High frequency attenuation : H 35 dB
-Medium frequency attenuation : M 27,5 dB
-Low frequency attenuation : L 18,4 dB
REGULATION (EU) 2016/425
-EN352-1:2002 : Hearing protection : Ear-muffs
-Average noise attenuation : SNR 26 dB
-High frequency attenuation : H 30
-Medium frequency attenuation : M 24
-Low frequency attenuation : L 15
-Sizes / Dimensions : S/M/L