Westinghouse 20000 Watt Dual Fuel Gas Propane Generator — Weldready
12,000-Watt Tri-Fuel Generator with CO Shield® - Champion Power Equipment
9,000-Watt Electric Start Propane and Gasoline Dual Fuel Portable Generator with Auto CO Shutoff - Never Wash A Dish
DuroMax XP12000HX Dual Fuel Portable Generator-12000 Watt Gas or Propane Powered Electric Start w/CO Alert, 50 State Approved, Blue : Amazon.ca: Patio, Lawn & Garden
DUROMAX 12000/9500-Watt Dual Fuel Electric Start Gasoline/Propane Portable Home Power Back Up Generator with CO Alert Sensor XP12000EH - The Home Depot