Designed for wall-mounted installation, the Bosch DWW09W450B will make a style statement in your kitchen. Rocker switch control 3 power levels so you can easily adapt the extraction rate to the level you require. Metal grease filters Efficiently filter grease and other solid particles out of the air. To keep running effectively they need to be cleaned around twice a month and can be cleaned either by hand or in the dishwasher. Ducted or recirculated extraction This hood has been designed for ducted out or recirculated operation – giving you the flexibility to choose. Quiet At 51 dB(A ) on level 3 this hood is quiet and won’t disturb you so you can relax in your kitchen.