Dispenser box of 200 pairs disposable polyurethane earplugs.
Individual plastic bag of 2 earplugs.
Polyurethane foam.Construction is Dielectric and lightweight.
USA STANDARDS
ANSI S3.19-1974 American National Standards Institute
NRR 33 dB.NRR – (Noise Reduction Rating - Noise Reduction Rating)
European standards
EN352-2:2002 Hearing protection : Earplug
SNR 36 dBAverage noise attenuation
H 34High frequency attenuation
M 34Medium frequency attenuation
L 31Low frequency attenuation
Ø 7-12 mmDimension
