Kitchen- Aid 36″ Retractable Downdraft System, 600 CFM

This retractable downdraft vent rises 14 inches to help filter steam from tall stockpots, and remains flush with the cooking surface when not in use.

http://www.kitchenaid.ca/en_CA/shop/major-appliances-1/hoods-and-vents-2/hoods-and-vents-3/-%5BKXD4636YSS%5D-2101737/KXD4636YSS/