Bosch DWA09E850, 520 m³/h, Ducted/Recirculating, 47 dB, Wall-mounted, Stainless steel, Transparent, Buttons Bosch DWA09E850. Maximum extraction power: 520 m³/h, Type of extraction: Ducted/Recirculating, Noise level: 47 dB. Type: Wall-mounted, Product colour: Stainless steel, Transparent, Control type: Buttons. Grease filter type: Metal. Bulb power: 20 W, Number of bulbs: 2 bulb(s), Bulb type: Halogen. Motor power: 260 W, Power consumption (typical): 300 W