... to burn,smokeless,No ash,no odor 3longer burn time Gel fuel(Ethanol) ------a solution to clean energy ,soot ,smoke&odor ... . Use: restaurant,hotel ,camping,hunting,etc. for heating up food ,chafing dish.6. Burning time: 2.5 hours 7. Dia of ... countries. It’s suitable for restaurants,camping trips commercial cafeterias,chafing dishes, barbecuing, hotels to heating foods, etc.