FJH air fuel heater 1,High effective warm engine in cold surrounding. 2,12V or 24V. 3,Low ... apart from engine system,with power supply of 12V or 24V DC are automatically controlled in operation ... of the front glass. FJH air fuel heater Verified Information This information is Verified by Bureau ... Actual Units Produced(Previous Year) Incubator, Ceramic ware, Rescue tool, Heater, Vegetable and fruit N/A N/ ...