Abstract: An air cleaning device for attachment to a toilet bowl comprises a bracket mounted on the bolts behind the toilet seat and extending outwardly to one side. At the end of a bracket is mounted a cradle into which a housing is mounted including a fan housing and a filter assembly. The filter assembly is carried on the underside of the fan housing and includes a cage having a closed base wall and a plurality of vertical bars for the air enters the interior of the cage and escapes horizontally through the bars. A sleeve-shaped filter element is mounted over the bars and sits on the horizontal base. Vertical power supplied by a battery pack which can slide in and out of a receptacle on the top cover of the housing. The housing includes a nozzle which can slide in and out of a receptacle in the housing, the nozzle being formed in the shape of a flat tube so as to extend over the toilet bowl.