Sterno® Green chafing fuel gel cans are clean burning and reliable, made with a methanol-free formula. They are also smoke and odor-free. The Smart CanTM heat indicator lets you know when can is hot. Steady two-hour burn with a maximum temperature of 195 degrees Fahrenheit. Ideal for full-size chafing dishes and hot boxes. Fuel Type: Ethanol; Physical Form: Gel.