A tank screen (10) having at least one contact region or contact area (14) for positioning the tank screen relative to a tank inlet, a solid wall (16) having a portion extending above the at least one contact area or contact region (14), and a mesh screen (18) for filtering leaves from water entering the rainwater tank, the mesh screen (18)comprising a mesh side wall (20) that has an upper region located above the at least one contact area or contact region (14), the at least the upper region of the mesh sidewall (20) being at least partly enclosed by the solid sidewall (16).