Manufacturer Part Number (MPN) : F273701The Mr. Heater 5 foot Propane Hose Assembly (model # 273701) connects appliances that are designed for disposable propane cylinders to a 5-20 lb. tank. (Swivel 1"" - 20 male throwaway cylinder thread x excess flow soft nose P.O.L. w/ handwheel.) Hand tighten swivel on both ends.