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.