3M Peltor Optime III Helmet Attach Ear Defenders, Black & Red

The Peltor 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. SNR = 35dB, H = 40dB, M = 32dB, L = 22dB Product code: H540P3E-413-SV