3M Optime I Headband Ear Defenders H510A-401-GU XH001650411

3M Peltor Optime H510A Ear Muffs. Lightweight and comfortable ear muffs offering versatile protection. Combines a low profile with generous ... Read more

3M Optime II Peltor Ear Defenders Low Contact Pressure XH001650627

3M Optime ll Peltor Ear Muffs. Developed for demanding noisy environments and muffles even extremely low frequencies to a maximum ... Read more

3M Optime III Headband Ear Defenders 4540A-411-SV XH001650833

3M Optime lll Headband Ear Defenders. Suitable for moderate to high noise levels. Lightweight and generous inside depth for comfort. ... Read more