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3M Peltor Optime III Ear Defenders - Helmet Mounted

The 3M Peltor Optime III ear defenders are a high performance passive hearing protector developed for extreme high noise working environments.

They feature a special double casing designed to help minimise resonance and an acoustic connection between the inner volume and the volume between the casings for low-frequency attenuation.

Recommended applications

  • Mining and quarrying
  • Power stations
  • Industrial operations
  • Cement manufacture
  • Airports
  • Engine rooms
  • Print shops
SNR (single number rating): 34db / H = 40dB / M = 32dB / L = 22dB

CE approved to EN 352-1:1993

Features & Benefits

  • Helmet mounted - fits all the miners safety helmets we supply
  • Suitable for extremely noisy environments
  • Resonance effect minimised due to double casing technology
  • Cup design reduces moisture and heat build-up for added comfort
  • Soft, wide ear cushions for maximum comfort
SKU: H540P3
£27.00 incl VAT