Heavyduty Headsets 3M™ PELTOR™ Headset CH-3 FLX2 for External PTT, Headband (Cable must be ordered separately.) More info Buy Heavyduty Headsets 3M™ PELTOR™ Headset CH-3 FLX2 for External PTT, Headband (Cable must be ordered separately.) More info Buy Heavyduty Headsets 3M™ PELTOR™ Headset CH-3 FLX2 for External PTT, Helmet Attached. (Cable must be ordered separately.) More info Buy Heavyduty Headsets 3M™ PELTOR™ Headset CH-3 FLX2 for External PTT, Helmet Attached. (Cable must be ordered separately.) More info Buy Heavyduty Headsets 3M™ PELTOR™ Headset CH-3 FLX2 for External PTT, Neckband (Cable must be ordered separately.) More info Buy Heavyduty Headsets Headset headband with boom mic and PTT (Cable must be ordered separately.) More info Buy Heavyduty Headsets Headset Helmet mount with boom mic and PTT (Cable must be ordered separately.) More info Buy Heavyduty Headsets HEADSET, A-KABEL, ATEX W/HELMET FIXTURE More info Buy