A duct-free kit can be purchased separately for this unit to allow the air to ... sizes of cooktops are 30 inches and 36 inches. Although a 36-inch electric cooktop with downdraft is less common ...

A propane gas cooler top may be offered in place of a natural-gas downdraft cooktop. This would require a costly conversion. The 30-inch model might not be suitable for your cutout. The ...