3M(TM) E-A-Rsoft(TM) Grippers(TM) earplugs unique grip rings help create a soft, noise-blocking seal for effective hearing protection. Ideal for people with larger earcanals. Ideal for persons with larger earcanals. (bul) Unique grip rings help create a soft, noise-blocking seal in the earcanal for effective hearing protection. (bul) Noise Reduction Rating (NRR)*: 31 dB. CSA Class AL. *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. 3M is Leading the Advancement of Hearing Conservation(TM).
