Rugged Radios FHS-42-O/OFF-1/4 FHS Behind-The-Head Fire Safety Industrial Headset - With Mic On/Off Button / For David Clark / Sigtronics / Avcomm 1994-1998 Dodge Cummins 5.9 12V Compatible with WCF100717 4" Air

Compatible with WCF100717 4" Air Filter and WCF100719 5" Air Filters

long-wear seal pack that withstands harsh conditions both on and off-road

Compatible with biodiesel

They are sold in pairs for one helmet

Rugged Radios FHS-42-O/OFF-1/4 FHS Behind-The-Head Fire Safety Industrial Headset - With Mic On/Off Button / For David Clark / Sigtronics / Avcomm 1994-1998 Dodge Cummins 5.9 12V Compatible with WCF100717 4" AirFHS Behind The Head Fire Safety Industrial Headset is designed by Rugged Radios to work universally with almost any fire intercom. The design emphasizes comfort and versatility. Dual 5 pin quick disconnect allows the cord to hang from the preferred side during use, providing easy serviceability. Configurations include no buttons, PTT (Push To Talk) button on the ear dome, and Mic On Off button on the ear dome. Enhanced features such as DNC microphone,