High Performance Our 60cm extractor hood with a suction capacity of 650m³ / h can easily remove kitchen smoke, steam, & odors. Recirculation Mode Vent inside: recycle inside with CBCF003-OW (included) are necessary if your area is not allowed to install an outdoor exhaust pipe. This hood can be vented up through the roof or out through an exterior wall. Look for a metal duct going through the cabinets above or an exhaust cap on the exterior wall behind the range hood. You should feel the air being blown out of the exhaust cap on the roof or wall when the fan is running. Touch Control With the touch control panel, it's easy to control the power, lights, & 3 fan speeds. Choose from high, medium, & low suction to suit a variety of foods & cooking. Energy-Saving Led Lights. The 1W LED light can perfectly light up your cooking area & are also energy efficient.