Nilfisk HDS2000 commercial vacuum cleaner fixed electrical cord cable entry cover in dark grey, it covers the electrical connections with one screw.
As it's light, maximise the saving on postage and buy some of the related parts below, such as a packet of dustbags and the HEPA filter a fresh foam main filter or a new floor tool.
At the moment standard postage within Australia, is capped at a maximum of $25!