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- Noise Reduction Rating (NRR) of 29 dB
- CSA Certification: Class AL
- Cylindrical shape creates a snug seal for noise reduction,
- Test compatible with 3M™ E-A-Rfit Validation System
- One size fits most
- Individually wrapped in poly bag
- 3M™ E-A-R™ Classic Earplugs are an economical, reliable choice in hearing protection and conservation. The slow recovery foam used to create these ear plugs, provides a moisture resistant and sound resistant barrier for the ear canal, along with a deeper fit in the ear canal making the 3M™ E-A-R™ Classic Earplug one of the most widely used foam earplugs today.
*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.