The Camco RV 4-Port Propane Tee mounts in-line between the supply and regulator on a motorhome to allow the connection of an additional propane appliance and the hook-up of an auxiliary propane cylinder. Its ports include a female POL, Excess Flow Soft Nose POL, 1" - 20 male throwaway cylinder thread and 1/4" Inverted Flare. The 5' phone hose has an Excess Flow Soft Nose POL and 1/4" Inverted Male Flare. The 12' propane hose has a 1" male and 1" female swivel -20 throwaway cylinder thread. Includes propane tee Includes 5' auxiliary tank hose and 12' additional appliance hose All 1/4" Female Threads Provides excess flow protection in case of a broken gas line Allows for the connection an auxiliary propane cylinder and an additional propane appliance