LPG NG Commercial Rice Steamer Steam Engine Stir-Frying Machine Kitchen Range Stoves Parts 30-Row Fire Row BurnerFire row burner Color classification: flange interface and non-flange interface, and used for liquefied gas and natural fuel Fuel type: fuel Do no longer place orders when natural gasoline cannot be used! ! ! Pay attention! ! ! Before placing an order, please make sure you heavily confirm the hearth radiator (size/interface/use of air source). There is no typical fireplace radiator and can totally be used to modify the old fireplace radiator.