This Alfresco™ Double Side Burner is designed specifically for freestanding grills and is a special, made-to-order item. Crafted of durable, commercial-grade stainless steel with heli-arc welded seams, this add-on packs the same punch as a professional kitchen range. It’s ideal for boiling, sautéing, and simmering and can be fueled with liquid propane or natural gas. Included are two 20,000 BTU brass burners, a matching stainless steel cover, a recessed top for easy clean-up and protection from the wind, a stainless steel cooking grid, control knob accent lights, and a 110 volt ignition system.