3M™ E-A-R™ Classic™ Earplugs 311-4101, Metal Detectable, Poly Bag, 2000 Pair/Case First Aid 3M SKU: 7010517303

3M SKU: 7010517303

Harder material density and increased edge durability over 600 Series Unitized Wheels provides a longer-lasting and more aggressive wheel for heavier-duty tasks

3M SKU: 7010508320

3M SKU: 7100065092

3M SKU: 7010486571

3M™ E-A-R™ Classic™ Earplugs 311-4101, Metal Detectable, Poly Bag, 2000 Pair/Case First Aid 3M SKU: 70105173033M SKU: 7000127210 Lead Time: ~2 days 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. *U. S. EPA specifies the NRR as the measure of hearing protector noise reduction. However, 3M makes no warranties as to the