Description
3M E-A-R Classic 310-1001 Ear Plugs, 200 Paris/Box:
3M™ E-A-R™ Classic™ Earplugs have set the industry standard for noise reduction as the world's first foam earplugs. These earplugs are made of a proprietary soft energy-absorbing slow-recovery foam that's designed to conform to the shape of the ear canal to help provide hearing protection. NRR 29dB