3M™ Uncorded Foam Earplugs, Hearing Conservation 1100 1000/Case
Soft, uncorded foam earplugs that conform to the unique shape of each ear for excellent hearing protection and comfort. – Smooth, dirt-resistant surface for hygiene – Comfortable for a wide range of earcanal sizes – Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.