These uncorded foam earplugs offer a soft, low-pressure solution for comfortable wear Poly bag keeps earplugs clean before use. Regular size fits most earcanals. Noise Reduction Rating (NRR)* 33 dB.CSA Class AL. Test compatible with 3M™ E-A-Rfit™ Validation System. *Must see the Learn More Section -How to Use the NRR. 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™.
- 200 pairs per box.