Conforms to EN 352-3 and ANSI S3.19. Stylish cup design in matt Black with gloss features. Colour coded ring and front printing for easy identification and selection of the correct attenuation level. Easy to adjust steel arms for quick personalised fit. Compatible with the full range of Centurion safety helmets and face protection. Soft wide cushions for maximum comfort. The Sana ear defender range is also available as headband mounted versions.