30" Gas Range Top with 4 Open BurnersCapital Cooking CGRT304N Culinarian 30 In. Natural Gas 4 Burner Gas Cooktop is chock full of features and goodies to make cooking on the stove as easy as possible. The CGRT304 L has four high powered, open top burners, each clocking in at 25,000 BTUs of cooking power. And they aren't functional only in the area of cooking; made from cast iron with a matte porcelain finish, they're as easy to clean as they are to cook with.