3M Hearing protection Optime III H540P3EA, black, 34 dB

high insulation performance, developed for extraordinarily high noise levels, with double-shell technology, which minimizes the resonance inside the capsule, maximum damping of high frequencies, as well as optimal damping of low-frequency vibrations, for short and long periods of use, low contact pressure and optimal sealing thanks to sealing rings with a unique combination Made of a gel liquid and foam filling, adjustable spring steel bracket, adapter for helmets with 30 mm slots on the side, can be folded out and rotated