Avenger FDT10BF Gas Heater, White Patented DUAL FUEL TECHNOLOGY: Natural Gas or Liquid Propane Thermostat Control  Automatically cycles the burner on and off to maintain a desired temperature Product Dimensions: 20.5" H x 15.79" W x 6.65" D PFS Certified Please Note:This Item Is Not For Sale To Residents In California due to local regulation restriction