3M 70071514858

Unique hinged band fits a wide range of head sizes, and can be worn in three different positions. - Excellent attenuation in all three wearing positions: over-the-head, under-the-chin, and behind-the-neck. - Pivoting, hinged band provides adjustable positions for a more comfortable fit and seal. - Noise Reduction Rating (NRR)* 25 dB (in all three positions). 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™.