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OTTO Engineering - Expect Excellence



Replacement Part-Noise Attenuating Plugs (NRR 25dB) Accoustic Tube Not Included

  • Provides additional hearing protection
  • Certified noise reduction rating (NRR) of 25dB
  • Comfortable adjustable yellow foam ear inserts
  • Single and dual ear versions available
  • Users in multiple shift operations sharing equipment
  • Users in extreme noise environments

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