These specially designed acoustic filters reduce sounds evenly across a wide frequency range. The filters allow you to turn down the volume (noise) without sacrificing listening quality (the sounds you want to hear – warning signals, speech, etc.). 

Features: 

• Natural sound clarity and speech intelligibility

• Re-usable hearing protection, universal fit and easy to fit.

• Awareness of your surroundings – hear warning shouts and alarms and direction of sound

• NRR 11

• Retention cords