An emanation device is described which comprises a housing defining a sealed container having a front wall and a rear wall defining the length and width of the housing and connected to each other by a top wall, a bottom wall and one or more side walls defining the depth of the housing, wherein the length and width are each greater than the depth one or more vent holes in the housing electrical plug pins connected to the rear wall of the housing, said plug pins being operatively connected to a heating means located within the interior of the housing an absorbent pad containing a quantity of air treatment agent mounted within the interior of the housing wherein the pad fills a majority of the length and width of the housing and wherein the heating means is located in connection with or immediately adjacent to a central portion of the pad on the front face thereof where the front face of the pad is adjacent the front wall and remote from the face of the pad facing the rear wall and electrical plug pins.
