An extractor hoo (U.K.) or range hood (U.S.), also known as a kitchen hood, stove hood, exhaust hood, cooker hood, extraction hood, cooking canopy, ventilation hood, extractor fan or electric chimney, is a device containing a fan that hangs above the stove in the kitchen. It is used to remove airborne grease, combustion products, smoke, odors, heat, and steam from the air by a combination of filtration and evacuation of the air.