Weber 3880001 Genesis S-320 Natural Gas Grill, Stainless Steel 3-burner natural gas grill; 42,000 Btu's; 637 inches total cooking area 507 square inches cooking area; 130 square inches warming rack Fully enclosed stainless steel cart; 7mm stainless steel grates. 12,000 BTU input flush-mount side burner 2 heavy-duty front locking casters and 2 heavy-duty back swivel casters