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3M Peltor Optime 105 NRR 30 Ear Muffs

Brand: 3M Company Mfg#: H10A
Product#: 121H10A
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These Effective hearing protection earmuffs are great for noise reduction and reduces noise exposures up to 105dBA. These earmuffs have a noise reduction range (NRR) of 30 dB*, which is highest available in over-the-head style earmuffs.


  • Stainless steel headband distributes weight for low-pressure fit
  • The NRR may overestimate the hearing protection provided during typical use
  • Color-coding to help match attenuation needs
  • For noise levels up to 105 dBA, these over-the-head earmuffs feature double-shell technology to provide effective hearing protection
  • Liquid/foam filled earmuff cushions
  • 3M is leading the advancement of hearing conservation
  • 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided
  • Earcup pivot points that tilt for optimum comfort and efficiency


  • Brand: 3M Company
  • Product Line: Peltor Optime
  • Color: Black/Red
  • Standards: ANSI S3.19-1974, CSA Certified
  • Noise Reduction Rate (NRR): 30 dB
  • Material: ABS
  • Style: Over-the-Head