3M PELTOR OPTIME II

Developed for demanding noise-hazard environments, the OPTIME II muffles even extremely low frequencies to a maximum degree. The sealing rings are filled with a unique combination of liquid and foam creating an optimum seal with low contact pressure, which provides snug comfort even during extended use. The sealing rings also have ventilation channels and are covered with soft, patterned, hygienic foil. 31 attenuation.