3M™ E-A-R™ Classic Earplug
- Sweat and moisture-resistant for use in humid environments
- Cylindrical shape creates a snug seal for noise reduction
- Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
- Constructed from slow-recovery foam, the disposable earplug conforms to the shape of the ear canal
- Flame resistant for use in environments with flammability or explosion potential
- Available in corded and uncorded
- SKU: 310, 311
