We protect people and the businesses they run.™

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J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.

Company & Careers

J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.

News & Events
  • Noise Reduction Rating (NRR) 24
  • Recommended for noise levels up to 101 dBA
  • Provides attenuation at low and high frequencies
  • Stainless steel headband wires with 4-point suspension help distribute cushion pressure evenly
  • Liquid foam-filled cushions provide excellent seal and lower pressure
  • Manufacturer Item #: H7P3EE
3M

Industry: Construction Safety, Workplace Safety / EH&S

Hearing Protection Type: Earmuffs

Noise Reduction Rating (NRR): 24dB