*The NRR may overestimate the hearing protection provided during typical use
3M™ E-A-R™ Classic Probed Test Plugs are equipped with a probe tube for fit testing using the 3M™ E-A-Rfit Validation System.
These earplugs cannot be used for hearing protection.
Typical Properties
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*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR according to the authority in your jurisdiction or reduce by 50% for estimating the amount of noise reduction provided.