3M Peltor Optime II H520B (H520B-408-GQ) Neckband Ear Muffs
Description Neckband option. The 3M™ Peltor™ Optime™ II Ear muffs have been developed for demanding noisy environments, particularly suited for noise levels dominated by low to medium frequencies. The sealing rings are filled with a unique combination of liquid and foam. The result is an optimum seal with low contact pressure, which provides agreeable comfort even during long-term use.