Features and Benefits:�Use with F273712 hose assembly, Hooks 3 appliances to a single 20 lb. cylinder, Can hook up to new and old style cylinders, Three 1in - 20 Male Throwaway Cylinder Threads x Full Flow Soft Nose P.O.L.Mr. Heater 30in/15in Propane Distribution Post Tree is a 15in post with a 15in extension that can hook up to 3 appliances to a single refillable bulk cylinder.