3M Peltor Optime III Helmet Attach. Ear protection for extreme noise environments. Optime III Extreme noise protection for long and short spells of use. Double casing technology for maximum high and low frequency muffling.
The Optime III ear defenders are a high-performance hearing protector and have been developed for use in extremely noisy environments. The protection is based on a technology with a double casing, minimising resonance in the holder casing, maximising high-frequency attenuation, meeting SNR 35dB, H 40dB, M 32dB, L 22dB levels.