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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.

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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.

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  • Noise reduction rating (NRR) 25 dB CSA Class AL
  • Metal-detectable ball bearing provides a high level of detectability
  • Earplugs are premolded, triple flange and are designed to comfortably fit a wide range of sizes and provide optimal hearing protection
  • Earplugs do not need to be rolled prior to fitting, which helps ensure clean tips
  • Material is washable, reusable soft polymer to reduce costs and waste
  • Poly bag provides increased accessibility when not in use
  • Test compatible with 3M™ E-A-Rfit™ Validation System
  • Recommended applications: assembly and mechanical, chipping, chiseling, cleaning, drilling, furnace operations, grinding, heavy equipment operations, machining, metal repair, painting, pouring/casting, power fastening, riveting, sanding, sawing and welding
  • Recommended industries: food processing, food safety, construction, general manufacturing, mining, oil and gas, and transportation
  • Manufacturer Item #: 340-4007
  • 100 Pair/box
3M

Industry: Construction Safety, Workplace Safety / EH&S

Hearing Protection Type: Earplugs

Noise Reduction Rating (NRR): 25dB