3M™ Classic™ Plus Metal-Detectable Corded Earplugs 311-4101, in Poly Bag
The world's first foam earplugs and still the most widely used cylindrical earplug today. Metal-detectable cord and plugs make them ideal for industries where preventing product or process contamination is critical.
|ITEM#|| : ||311-4101|
|MANUFACTURER|| : ||3M|
Classic Plus are longer than Classic earplugs to fit deeper into the ear canal and provide a higher level of protection. Slow-recovery foam helps ensure comfort and minimize pressure. Bright yellow color provides a quick visual compliance check. Dermatologically safe foam is non-irritating, nonflammable, and moisture-resistant. NRR 33dB. ANSI S3.19-1974; CSA Class AL.