Dielectric construction inhibits conduction of electric currents; ideal for electrical environments but suitable for all workplaces</br>Patented Air Flow Control technology reduces sound across all frequencies without increasing earcup size or weight; includes multiple attenuation levels</br>Inner-ventilated headband provides extra breathability?? even in humid weather; headband is non-deforming and offers uniform pressure for more comfortable long-term wear; Quick-Click height adjustment gives you a custom fit that stays fixed in place all day long</br>Snap-in ear cushions make cleaning?? replacement and maintenance easy</br>Noise Reduction Rating 30; Recommended industries include agriculture/farming??building construction?? lumber/wood products?? steel?? forestry?? metal fabrication?? transportation?? heavy construction?? military/law enforcement?? manufacturing?? general contracting?? landscaping?? sporting?? DIY projects?? general purpose</br></br>Product Description</br></br>Though suitable for any workplace?? the Howard Leight by Honeywell Thunder Series T3 Dielectric Earmuff features dielectric construction to inhibit the