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3M Peltor Optime 101 Over-the-Head Earmuffs View larger

3M Peltor Optime 101 Over-the-Head Earmuffs

H7A

NRR 27 dB Class A(L)

Over-the Head Style

Not Electrically Insulated

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  • Noise Reduction Rating (NRR) of 27 dB
  • CSA Certification: Class AL
  • Fit can be verified with 3M™ E-A-Rfit Dual-Ear Validation System
  • Replaceable ear cushions and foam liners (3M™ PELTOR™ Hygiene Kit HY7)
  • 3M™ PELTOR™ Optime 101 Earmuffs H7A fits well with most helmets, eyewear and other safety equipment.
  • 3M™ PELTOR™ Optime 101 Earmuffs H7A help provide effective hearing protection and are designed for noise levels up to 101 dBA. It provides consistent force to keep the earcups snugly in place yet with a low pressure fit that is more comfortable.

*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.