- Ideal hearing protection against noise arising from extremely noisy environments like airports, marine engine rooms, power stations and print works - Double casings technology helps minimise resonance effect - Large space inside cup helps reduce moisture and heat build-up - Soft wide cushions helps reduce pressure around the ears and improves comfort and wearability - Easy to replace cushions and inserts helps keep them hygienically clean - Hygiene kit available. - 3M PELTOR Optime III Earmuffs are a high performance hearing protector, developed for use in extremely noise environments like airports, marine engine rooms, power stations and print works. Specifications Attenuation - 35 Decibel Attenuation rating (HML) - H=40 M=32 L=23 Hearing Protection Style - Headband Pack Quantity - 1 Per Pack Product Colour - Black/Red Product Series - Optime Product Type - Earmuffs Recommended Industry - Agricultural Smallest Saleable Unit - Each Standards/Approvals - CE Approved, EN 352-1:199