Metal free helmet mount earmuff
EP-187 is special for helmet earmuff.
Metal free, Adaptor POM, HIPS cup and soft PVC cushion, entire revertex clamps structure provides better strength and sound-insulated effect.
Super comfort and easy to install.
Meets CE and ANSI standard.
NRR: 30dB, SNR: 23dB.
Suitable for industrial, mining, airport, repairing, construction…etc.
Standard color: yellow and red.