Helmet Mounted ear defender system to complement all Centurion safety helmets. Suitable for most general requirements.
headband force: EN 13819-1:2002, 4.4 - force shall be no greater than 14 Newtons (1.4kg of pressure)
Material: Cup: Acrylonitrile-Butadiene-Styrene (ABS)
Cushion: Foam filled PVC
Internals: Open cell foam
SNR Level: 25dB