Abstract: An extractor hood (10) for the separation of dirt particles, and especially fat and oil droplets from airflow is described. Extractor hood (10) includes a fan unit (18) for the creation of exhaust airflow through the extractor hood and a separator unit (20) to deposit dirt particles from the exhaust air flow. The separator unit (20) defines at least one air duct (25a, 25b). Along the at least one air duct (25a, 25b) an impact element (40) is arranged, featuring at least in certain areas capillary holes (44) for separating dirt particles through the capillary holes (44) along the at least one air duct (25a, 25b).

Abstract: An apparatus for the treatment of liquids, particularly of cycled water of fish tanks or of ponds with an irradiation unit which is intended to act upon the liquid with light, particularly UV light, and includes at least one lamp which is disposed in a dry space that is separated from the liquid to be irradiated by a transparent glass shield, has at least one cleaning element which faces the glass shield and is disposed movably on the side of the glass shield in contact with the liquid.