Abstract: A filtering device intended to be attached temporarily to an exhaust pipe (30) of a vehicle at occasional indoors driving and the like. The device comprises a filter (14), a filter holder (11) and a connection member (13,40) for attachment to the exhaust pipe. The object is to provide an exhaust filter which is simple to mount and dismount, which is self-supporting, which can be manufactured so cheap that it can be used as a disposable article, and which gives possibility of choice regarding the connection to different dimensions of exhaust pipes.