Nilfisk HDS2000 commercial vacuum cleaner commercial vacuum cleaner 2 speed back cover with recess to support the floor tool. This is the rear cover that houses the grey low and high speed button and groove for locating the floor tool in parking position.
As it's light, maximise the saving on postage and buy some of the related parts below, such as a pack of dustbags and the HEPA filter a fresh foam main filter or a new floor tool.
At the moment, standard postage is capped at a maximum of $25 within Australia.