Product Information The ECH91BL to be a main focal point in any kitchen. The ECH91BL has 3 speeds with push button control, a twin fan motor and built in lights for good illumination.FeaturesDucted/recirculating installation3 speedsAluminium grease filtersPush button controlTwin fan motorGlass light diffuserEnergyEnergy rating: ELightingNumber of lights: 2FiltersNumber of grease filters: 3Number of charcoal filters (optional): 2Charcoal filter code: CHA24Ducting kit: AED61/63/64Extraction Rates & NoiseExtraction rate: 427 m³/hrNoise level: 64 dBAExtraction rate at first speed: 265 m³/hrNoise level at first speed: 60 dBAExtraction rate at second speed: 323 m³/hrNoise level at second speed: 62 dBAExtraction rate at third speed: 427 m³/hrNoise level at third speed: 64 dBATechnical SpecificationsRequired height over gas hob: 700mmRequired height over electric hob: 600mmRated electrical power: 140 WPower supply required: 3 A