For noise levels up to 101 dBA, these behind-the-head earmuffs provide effective hearing protection. • Stainless steel band distributes weight for low-pressure fit • Earcup pivot points …

3M™ PELTOR™ Optime™ 101 颈戴式耳罩产品适用于达到101dBA的噪声环境；可与大多数安全帽、护目镜以及其他安全防护产品兼容。 这款耳罩既能有效降低高噪声环境中的高频噪声，也能有效降低低频率噪声。 耳罩提供可更换卫生套件，型号为HY7。

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3M™ PELTOR™ Optime 101 Earmuffs H7B fits well with most helmets, eyewear and other safety equipment. 3M™ PELTOR™ Optime 101 Earmuffs H7A help provide effective hearing …

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3M™ Peltor™ Optime 101 Behind the Head Earmuffs H7B help provide effective hearing protection and are designed for noise levels up to 101 dBA. The stainless steel band distributes weight for low pressure fit and ear cup pivot points tilt for optimum comfort.

2012年10月12日 · The 3M PELTOR Optime Earmuffs feature a range of models for increasing hearing protection needs. The stainless-steel headband is designed to help keep Over-the-Head earmuffs in place.

3M PELTOR H7B 颈带式耳罩（SNR31dB）； 罩杯可旋转，根据脸型调整角度； 不锈钢可调节颈带，均匀分解压力，接口可伸缩； 高质量降噪海绵，能有效的提高降噪效果； 双金属丝软垫头带设计。

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Help workers protect their hearing with these 3M H7B PELTOR™ Optime™ 101 earmuffs. The protective earmuffs have a behind-the-head design that distributes the weight of the equipment for better comfort.