Abstract: A hood comprising a suction and/or filtration unit, to collect cooking fumes of a houshold cooker, complete and functionally independent from the hood housing, provided with means for simple and fast insertion and pull-out from the housing without the use of tools in a fully safe manner for the user.Said suction and/or filtration unit is provided with electric contacts firmly fastened to its structure, which upon insertion in the housing will be connected to a power take-off rigidly fastened inside the housing, so that the electric parts of the unit are live only when the unit is inserted in the housing.