Ideal hearing protection against noise arising from extremely noisy environments like airports, marine engine rooms, power stations and print worksDouble casings technology helps minimise resonance effectLarge space inside cup helps reduce moisture and heat build‐upSoft wide cushions helps reduce pressure around the ears and improves comfort and wearabilityEasy to replace cushions and inserts helps keep them hygienically cleanP3H Helmet attachment for helmet mounting3M 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