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3M Foam Ear Plug: NRR 29dB

3M-1110

NRR 29 dB Class A(L)

100 pair per box

Corded

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  • Noise Reduction Rating (NRR) of 29 dB
  • CSA Certification: 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.

*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.