These E-A-R™ Classic™ SuperFit™ earplugs feature an orange "fitting ring" that provides a guideline for proper fitting and a quick visual compliance check. Packaged in convenient Refill Bottles to fit your One Touch™ dispenser 391-1000.
The "fitting ring" provides a guideline for proper insertion and a quick visual compliance check. Packaged in convenient Refill Bottles to fit your One Touch™ dispenser 391-1000. (bul) Conforms to the shape of the earcanal to help create a comfortable, snug noise barrier (bul) Slow-recovery earplug foam is flame-resistant and moisture-resistant (bul) Noise Reduction Rating (NRR)*: 30dB. (bul) Test compatible with 3M™ E-A-Rfit™ Validation System. *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.Leading the Advancement of Hearing Conservation™. 3M is Leading the Advancement of Hearing Conservation™.