Sana Ear Defenders offer a wide range of attenuation levels, from 25dB to 34dB, to suit the majority of industrial environments, providing protection against light industry noise through to extremely high noise levels. , The Sana range was developed to provide superior performance and enhanced comfort and fit as well as being fully compatible with Centurions safety helmets and face protection. 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 (supplied with Euro connection), Soft wide cushions for maximum comfort, The Sana ear defender range is also available as headband mounted versions, H=36dB,M=282dB,L=20dB , SNR 30dB, Not compatible with CNS17-1125 Reduced peak helmet, CNS570 connect clips are required (Sold separately)