Nilfisk GU355 Dual commercial upright vacuum cleaner and the Nilfisk GU455 Dual upright commercial vacuum cleaner toothed drive belt pinion bearing, for the roller-brush. It's on the front left hand side, when viewed from the operating position. It also suits the Advance Spectrum.
At the moment, standard postage within Australia is capped at a maximum of $20! Maximise the saving on postage and buy several Puregiene toilet rolls a box of Tissues and some soap or maybe some packets of dustbags, or a hose or a new floor tool, or some other accessories!