Noise Reduction Rating (NRR) of 29 dB, CSA Class AL
Test compatible with 3M™ E-A-Rfit Validation System
3M™ Foam Earplugs 1100 feature soft, hypoallergenic foam and a tapered design to fit comfortably in the ear canal. The slow-recovery polyurethane foam conforms to the shape of the ear canal to help create a comfortable noise barrier.
These earplugs are test compatible with the 3M™ E-A-Rfit Validation System.
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*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