Concept 50cm OPP1250BC Electric Oven Range Hood 50cm Black with LEDElectric Oven Range Hood 50cm Black If you don't have the option to remove steam from your kitchen, use the convection function. In this case, you will need to add a charcoal filter behind the grease filter to absorb odors. The air is cleaned and back into the room. The capacity of the hood should be at least seven times, preferably ten times the volume of the room from which the steam is to be removed. In apartments with a kitchenette, the entire