Made from soft energy absorbing polymer foam, which compresses and then expands for a perfect fit in the ear canal. Reduces sound levels to the ear drum while maintaining aural contact. These ear plugs have a Single Number Rating (SNR) of 37, meaning they will reduce noise by 37 decibels (db). * Orange tapered polymer foam * Easy insertion and removal * 35 seconds slow rebound * SNR 37db * Conforms to EN352-2:2002 * Six pairs per pack https://elecena.pl/product/27199768/scan-ec-1003a-tapered-foam-earplugs-6-pairs-snr-36-db 2024-11-09 https://elecena.pl/product/27199768/scan-ec-1003a-tapered-foam-earplugs-6-pairs-snr-36-db 2025-03-20