Noise inserts 38 dB, 500 pairs 97-552 by NEO are 1,000 inserts packed in a practical foil bag. They can be a great addition to anti-noise insert dispensers. The earplugs are used in production halls, warehouses, workshops, construction sites, and everywhere there is high noise intensity. The high noise dampening effect of 38 dB guarantees safety and comfort at work. The large packaging not only means a lower price but also no additional packaging. Operating instructions and declarations of conformity are included.