Nilfisk 40mm neck diameter wet pick-up nozzle for the Nilfisk GWD350 and the Nilfisk GWD350/2 and the Nilfisk GWD375/2 and now the Nilfisk VL500 75-2 Ergo two motor wet and dry vacuum cleaner. It's got 360mm wide squeegee rubber lips for vacuuming wet floors. The neck fits 40mm tubes.
As they're light, maximise the saving on postage and buy some of the related parts below, such as the filters, dust bags or a new floor tool or a hose.
At the moment, standard postage within Australia is capped at a maximum of $20!