Nilfisk and Tellus Industrial Vacuum Cleaner Main Filter Shaker Knob Kit
Nilfisk GS82 and GM82 Industrial Vacuum Cleaner and the Nilfisk GS83 and GM83 and the Nilfisk GM625 Industrial Vacuum Cleaner and the Nilfisk GM626 Industrial Vacuum Cleaner as well as the Nilfisk GB826 three phase industrial vacuum cleaner and the Nilfisk GB733 three phase industrial vacuum cleaner and the Nilfisk GB833 three phase industrial vacuum cleaner and the Nilfisk GB933 3 phase industrial vacuum cleaner and the Nilfisk GB1033 3 phase industrial vacuum cleaner main filter shaker knob kit. It screws onto the threaded rod.
Shaking the main filter will return full suction to the machine, should fine dust begin to clog the surface area.
In the main photo, it's in the centre of the picture, by the bottom of the motor that's been removed.
Maximise the saving on postage and buy some of the related parts below, such as a replacement main filters, or a new hose, or a round brush, or crevice tool and maybe even a new floor tool.
At the moment, standard postage within Australia is capped at a maximum of $20!