Scan Dispenser of 250 pairs of earplugs. Made from soft energy absorbing polymer foam, which compresses and then expands for a perfect fit in the ear canal. This reduces sound levels to the ear drum while maintaining aural contact. Can be wall mounted or used free standing. SNR = 38dB (Single Number Rating (SNR) = the number of decibels reduced by the product). Conforms to EN 352-2.