- 3M™ E-A-R™ Classic™ Earplugs set the standard in hearing protection as the world's first and most effective foam earplugs
- Slow recovery, low pressure foam conforms to the shape of the ear canal for enhanced comfort over extended hours of use
- Moisture-resistant—helps maintain a consistent expansion time, even in humid environments
- Noise reduction rating (NRR) 29 dB. CSA Class AL
- Product code: 08052910045