RANGEMASTER 10317 (HLTHDS90SL) 90cm Hi Lite Flat Chimney Hood in Slate Finish Performance The Rangemaster Hi-LITE Hood has impressive performance figures, at speed 3 moving 690 cubic metres of air per hour in extraction mode, at 68 decibels. The boost function takes this to 770m3/h and 70dB, going down to 365m3/h and 55dB on speed 1, which is what you may be using most of the time. These figures are certainly high-end, but not overly so, the hood having been sensibly engineered to keep the prices within reach. Although it is always better to extract to the outside if you can, where this is not possible the Hi-LITE Hood can be configured to re-circulate air through charcoal filters, supplied along with the standard aluminium grease filters, which can be periodically cleaned in the dishwasher or with hot soapy water.   * Touch controls * White display * 3 speed settings plus intensive * LED lighting * Aluminium grease filters * Maximum extraction rate (intensive): 770m³/hour * Maximum noise level (intensive): 70db * Suitable for extraction or recirculation * Charcoal filter includer for recirculation * Dimensions: h730-1000 x w898 x d460mm