Sportsman 8,750/7,000-Watt Dual Fuel Digital Inverter Generator with 50 Amp RV Outlet, USB Port and 4 GFCI 120-Volt Outlets 806588 - The Home Depot
AC WORKS RV/ Marine Generator Adapter 4-Prong 30 Amp L14-30P Generator Locking Plug to 50 Amp RV/Marine Locking Female Connector ADL1430SS2 - The Home Depot