Constructed from slow-recovery foam, the disposable earplug conforms to the shape of the ear canal for premium hearing protection.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.
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Designed with detectable metal components for food processing and other industries where it is critical to keep earplugs from contaminating products and processes
Noise Reduction Rating (NRR)*: 33 dB. CSA Class AL
Slightly longer than regular size 3M™ E-A-R™ Classic™ Earplugs for higher noise reduction when fit deeply in the earcanal
Test compatible with 3M™ E-A-Rfit Validation System