The 3M Peltor Hard Hat Headset Attachment with Nexus Connector PMLN8267A is a rugged, heavy-duty communication solution designed for industrial environments. Specifically built to integrate with hard hats (hat not included), this headset features dual earcups and a noise-cancelling boom microphone for crystal-clear audio in high-noise settings. With a noise reduction rating of 24 dB, it ensures exceptional hearing protection while maintaining comfort during extended use. Ideal for professionals in construction, manufacturing, and utilities, this headset attaches securely to hard hats for seamless communication. Requires a 3M Push-to-Talk Nexus Adapter PMLN8297 (sold separately) for radio compatibility.