H520P3E 3M Optime Earmuffs

The H520 Series has been developed for demanding noisy environments with increased low frequency attenuation. The sealing rings are filled with a unique combination of liquid and foam.

The result is an optimum seal with low contact pressure, which provides agreeable comfort even during long-term use.

The H7 Series is a suitable choice for typical environments with substantial industrial noise or construction machinery, airports and agricultural work.

***** Versatile high quality earmuffs meet the protection needs of almost any working environment

*****Patented liquid & foam filled cushions provide a quality noise seal with low pressure for all day wearer comfort

*****Stainless steel headband wires with four point suspension helps distribute cushion pressure evenly & earcups pivot for consistent fit

Fits Oregon, Tuffnut, Prosafe Helmet, V4G Visor