F273702 12' HOSE ASSEMBLY PROPANE | Connects appliances designed to use 1 lb disposable cylinder to a 5 to 20 lb cylinder. Hand tighten swivel on both ends. Swivel 1 in -20 male throwaway cylinder thread x soft nose excess flow P.O.L. with handwheel. Commonly used with portable Buddy & Big Buddy w#017-4755 fuel filter.