Mr. Heater F273751 Multicolored Regular Propane Adapter Tee Excess Flow Soft Nose P.O.L. x 1 inch -20 Throwaway Cylinder Thread x Female P.O.L. with Acme Thread Conveniently use your camper/trailer propane supply for lanterns, tabletop barbecue, etc. at parks, campsites, rest stops, etc. (use with hose assy. F273710-11 and F273701-02) Solid Brass Construction Has brass nipple to open safety valve in male throwaway clylinders Has rubber gasket for sealing