3M

Classic™ earplugs are the industry’s first foam earplugs, virtually revolutionizing hearing protection when Classic™ was introduced to the world. Today, the revolution continues. Classic™ earplugs meet wearer needs with the soft proprietary energy-absorbing slow recovery foam, preferred cylindrical shape, and proven in-ear comfort.

When it comes to protecting workers’ hearing, there is no one-size-fits-all solution.

• Noise Reduction Rating (NRR) between 25–27 dB (depending on the attachment type)
• Low-profile cup design for improved compatibility with other personal protection equipment (PPE)
• High ratio of NRR to earcup depth
• 3M™ E-A-Rfit™ Dual-Ear Validation System testable

*Helmet not included

When it comes to protecting workers’ hearing, there is no one-size-fits-all solution.

• Cap-mounted design allows for easy use with most hard hats.
• Color-coding for compliance sighting.
• Noise Reduction Rating (NRR)*: 24 dB. CSA Class A.
• *The NRR may overestimate the hearing protection provided during typical use.