Sets the standard in hearing protection as the world's first foam earplugs. Constructed from slow-recovery foam. Disposable. Cones in a clean, convenient pillow pack. Noise Reduction Rating (NRR) 29 dB. CSA Class AL. 200/Box
Reusable Pillow Pack helps keep earplugs clean when they are not being worn. Slow-recovery earplug foam is flame-resistant and moisture-resistant. Test compatible with 3M™ E-A-Rfit™ Validation System.