●产品描述:
Ear Defenders
Ear defenders developed for use in demanding noise hazard environments such as heavy industry or construction, forestry and agricultural work. Extremely low frequencies are muffled to a maximum degree as the sealing rings are filled with a unique combination of liquid and foam. To produce an optimum seal with low contact pressure for a snug comfortable fit even during extended periods of use. The sealing rings have ventilation channels and are covered with soft, patterned, hygienic foil. Adjustable stainless steel headband.
Optime 2
SNR 31dB, H 34dB, M 29dB, L 20dB