Fuel Hose Fitting-Inverted Flare Male Connector-1/4 In. x 1/4 In. Tube 785-400: Advance Auto Parts
1/4" Male Inverted Flare x 1/4" Hose Barb - propanegear
Amazon.com : WADEO 20FT Propane Hose Assembly with Both 3/8" Female Flare for Gas Grill, RV, Fire Pit, Heater, etc, Included a Pipe Fitting 3/8" Flare x 1/8" MNPT : Patio, Lawn