3M E-A-R Caps feature comfortable foam caps on a flexible band block the earcanal opening. Flexible band holds caps in place. Easy to put on and remove. €¢ Soft foam caps block the entrance to the earcanal. Band is worn under the chin €¢ Ideal for intermittent protection needs €¢ Noise Reduction Rating (NRR)* 17 dB. CSA Class BL *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. 7000052716 - 10080529210019
