3M™ E-A-R™ Classic™ Earplugs 311-4101, Metal Detectable, Poly Bag, 2000 Pair/Case First Aid 3M SKU: 7010508320

3M SKU: 7010508320

Load and heat resistant non-woven web provides consistent finishing over the life of the disc

3M SKU: 7100255483

3M SKU: 7010525088

3M SKU: 7100241246

3M™ E-A-R™ Classic™ Earplugs 311-4101, Metal Detectable, Poly Bag, 2000 Pair/Case First Aid 3M SKU: 70105083203M 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