Mounts in-line between supply and regulator on a motorhome to allow hook of an auxiliary propane cylinder and the connection of an additional propane appliance such as a tabletop grill, campstove or lantern. Includes propane tee (Female P.O.L. x 1" - 20 male throwaway cylinder thread x 1/4" inverted flare), 12 ft. extension hose with male x female swivel 1" - 20 female throwaway cylinder threads and 5 ft. supply hose with excess flow soft nose P.O.L. x 1/4" inverted male flare connections.