Onlyfire Stainless Steel Warming Rack Compatible Models: Weber Spirit 310/ 320/ 330 (2013-2017) Series Gas Grills with front-mounted control. Weber Spirit II E-310, E-320, E-330, S-310, S-320, S-330 Series Gas Grills. Are you always worried that you don't have enough grill cooking space? Use this warming rack to add more cooking space to the grill, perfect for keeping your food warm when camping, you can cook 8 chicken legs and vegetables, bread, and hot dogs at the same time. When cooking food on the grill, you can place the cooked food on the warming rack to prevent overcooking and can keep your food warm.