#$%^&*AU2013206033A120131219.pdf#####Abstract Mobile apparatus (1) for filtering air, having a housing (2) which has a front side (4) with an 5 installed surface filter (3) and a fan (5) within the housing (2). A window (12) which covers the intake region of the surface filter (3) parallel to the flow is connected or can be connected to the housing (2), through which window (12) operations which happen or 10 are carried out in the intake region can be observed. The window is preferably connected pivotably to the housing (2) in the form of a cover.3/3 10 23 3l LLLL LLLLJE FIG. 5 - -- ---- ---26.1 27 IW300 FIGG. 7 12T 0
