3M™ PELTOR™ CH-5 High Attenenuation Headset Helmet Attach Format Earmuff, 35dB (Class 5) MT73H450P3E GB (Each)The 3M Peltor CH 5 brings innovative technology and design helping protect the wearer againts the highest noise levels and hazardous sounds. With its robust construction, it is designed to cope with rough and extreme environments. The High Attenuation Headset CH 5 provides one of the highest NRR values on the market (NRR 29dB). When working near noise hazards, such as in proximity to generators or turbines, this headset provides professional