3M E-A-R Classic Earplugs 310-1001, Uncorded, Pillow Pack

3M E-A-R Classic Earplugs set the standard in hearing protection as the world's first foam earplugs Slow recovery, low pressure foam conforms to the shape of the ear canal for enhanced comfort and wearability Moisture-resistant—helps maintain a consistent expansion time, even in humid environments Flame resistant—important for potential arc flash situations and for storage considerations Noise reduction rating (NRR) 29 dB. CSA Class AL Reusable Pillow Pack helps keep earplugs clean when they are not being worn.