A means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Directive 2010/30/EU. A Grundig GDK 5774 BXB, 740 m³/h, Ducted/Recirculating, A, A, B, 64 dB Grundig GDK 5774 BXB. Maximum extraction power: 740 m³/h, Type of extraction: Ducted/Recirculating, Fluid dynamic efficiency class: A. Type: Wall-mounted, Product colour: Stainless steel, Control type: Touch. Bulb power: 4 W, Number of bulbs: 2 bulb(s), Bulb type: LED. Energy efficiency class: A, Annual energy consumption: 26.3 kWh, Energy efficiency scale: A to F. Width: 898 mm, Depth: 490 mm, Height (min): 76 cm