Mr Heater Propane Distribution Post/Tree 30in/15in - Mr. Heater 30in or 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. Features Three - 1in - 20 Male Throwaway Cylinder Threads x Full Flow Soft Nose P.O.L Hooks 3 appliances to a single 20 lb. cylinder. Steel, brass, and plastic construction Can hook up to new and old style cylinders 30in and 15in post in one Plastic caps provided for thread protection Storage and carry bag included Use with F273712 hose assembly