Continuous Grates - Continuous Grates make it easy to move heavy pots and pans between burners without lifting. * Center Rear: 500 - 17,000 BTU (Dual Flame) Left Front: 9,500 BTU Left Rear: 7,500 BTU Right Front: 12,000 BTU Right Rear: 5,000 BTU * Depth: 21-3/4" Height: 4-1/4" Width: 30" * Grates: 3 Continuous Grates Grate Color: Black Matte Grate Material: Cast Iron