ArticleNo/ P/N: MT73H450P3E77GB 3M™ PELTOR™ CH-5 High Attenuation Headset , 36 dB, Flex Connector - Hard Hat Attached, MT73H450P3E-77 GB One of the highest levels of sound attenuation - 36 dB. Waterproof microphone with improved noise reduction and IP68 rating. Robust design makes it easy to maintain even in the field. Flex cables available for most standard two-way radios on the market. Highly visible color. Model with helmet mount. Price request