98 | Bosch built-in catalogue Rangehood extraction options There are two ways to clean the air in your kitchen: ducting or recirculation. Both methods remove odours effectively. Choose the best extraction option for your kitchen: Ducted extraction Recirculation kit Ducting is the most effective way to clear the air Odours are extracted and filtered, through a carbon in your kitchen. filter, then purified air is returned to the room. A ducted rangehood directs air from the kitchen Can be installed anywhere – without the need to the outside through a metal duct. to install a duct pipe through the wall or ceiling. The rangehood needs to be situated on or close to an To maintain performance, the carbon filter needs outside wall, so the outside can be reached via ducting. to be replaced on a regular basis. DID YOU 90° 1000mm KNOW Ø 150mm Bosch Air Extraction Measurement Measurement of net fan power at air outlet 300mm above motor in appliancewith connection There are different types of to ducting system air extraction measurements. At Bosch, we adopt a stringent Other Hood Performance Measurements method in accordance with Measurement of net fan power at air outlet the European measurement above motor in appliancewithout connection standard EN 61591. to ducting system