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.
- Mining and quarrying
- Power stations
- Industrial operations
- Cement manufacture
- 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