Abstract: A wet and dry vacuum cleaner having a vacuum cleaner head, having a dirt container and having an inlet fitting which is designed for the connection of a suction hose, wherein the inlet fitting is connected in terms of flow to an inlet connector, which is situated in the wet and dry vacuum cleaner, of the wet and dry vacuum cleaner such that dirt particles that are drawn in can pass via the inlet connector into the dirt container, wherein the inlet connector is designed as a diffuser with horizontal outflow. Furthermore, the inlet connector of the wet and dry vacuum cleaner may have a Y shape in the sense that the inlet connector comprises one inflow opening for the suction flow and two outlet openings.