Ear are special to hear good voice, But just avoid the Noise
For noise levels up to 98 dBA
Universal mounting attachment fits most hard hats
Earcup pivot points tilt for optimum comfort and efficiency
Ultra light with liquid/foam filled earmuff cushions
Noise Reduction Rating (NRR)*: 23 dB. CSA Class A
Helmet Attached is a versatile, lightweight earmuff recommended for noise levels up to 98 dB. The attachment clip is 30mm wide.It fits helmets, On Site Safety and any others with a 30mm slot.