3M PELTOR Optime 101 Earmuffs H7A, Over-the-Head

3M Peltor Optime 101 over-the-head earmuffs feature a stainless steel headband for consistent force and effective hearing protection.For noise levels up to 101 dBA, theseover-the-head earmuffs provide effective hearing protection.- Stainless steel headband distributes weight for low-pressure fit.- Earcup pivot points that tilt for optimum comfort and efficiency.- Liquid/foam filled earmuff cushions.- Color-coding for compliance sighting.- Noise Reduction Rating (NRR)*: 27dB. CSA Class A.*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™.