This Cooktop Makes Gourmet Cooking Easier And More Enjoyable - Thanks To Downdraft Ventilation That Captures Smoke. Steam And Odors At The Surface And Whisks Them Down And Out For A Fresher. Cleaner Kitchen. A Grill Assembly Allows Year-Round Grilling. And Two Open Bays Give You The Flexibility To Add Cartridges And Accessories To Match Your Cooking Style And Reward Your Creativity.