PRODUCT MODEL | UNBHDS90SL 90CM SLATE  FLAT HOOD Flat chimney style cooker hood from Rangemaster is 90cm wide and boasts a 660m³ per hour extraction rate. This unit is designed to be ducted through an external wall but can also be operated in recirculation mode with the use of optional charcoal filters.   * Suitable for ducted extraction or re-circulation * 3 speed settings plus intensive * Illuminating button controls * LED lighting * Dishwasher safe aluminium grease filters * Extraction rate (maximum normal setting): 545m³/hour * Extraction rate (intensive setting): 660m³/hour * Noise level (maximum normal setting): 63db * Charcoal filters included for recirculation * Width 90cm