3M Peltor Optime III Earmuffs The 3M Peltor Optime III offers high-performance hearing protection, developed for use in extremely noisy and stressful environments to provide dependable, comfortable hearing protection for workers. It is based on a double casing design technology that minimises resonance resulting in significant improvement in high-frequency attenuation. The sealing rings are broad, and filled with soft plastic foam for the best possible fit and low contact pressure. Ideal for extreme noise levels, such as mining, airports, engine rooms, printing factories, cement machines, marine engine rooms and power stations Double casings technology helps minimise resonance effect Large space inside cup helps reduce moisture and heat build-up Soft wide cushions help reduce pressure around the ears and improve comfort and wearability Easy to replace cushions and inserts helps keep them hygienically clean Standard: EN352-1:2002 (headband, neckband and foldable version) and EN352-3:2002 (helmet-mounted version) Material: Stainless steel, PVC, Acetal, ABS, Polyether, Polymid Maximum high-frequency attenuation: 35dB
