E-A-R Classic Foam Plugs: class A(L)

• 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.