Stainless Steel Construction - 304 grade, heavy duty stainless steel Warming Rack - Provides extra cooking space on grill For Use With - TEC Patio 1 Series grills The TEC Warming Rack for Patio 1 is a smart accessory for adding versatility to your TEC infrared grill, giving you an additional 95 square inches of cooking space. Take your TEC Patio 1 FR to the next level with this smart and convenient add on.