3M™ PELTOR™ Optime™ Over-the-head Ear Muffs

Effective hearing protection for noise exposures up to 105dBA Proprietary 3M™ Twin-Cup™ design has soft, foam-filled earmuffs for enhanced hearing protection Liquid/foam filled earmuff cushions Double-shell technology boosts its noise blocking ability H7A – NRR 27dB / H10A – NRR 30dB