Nilfisk AX400 and the Nilfisk AX300 and the Advance Aquaclean carpet cleaning solution vacuum pick-up shoe spring loaded lock assembly.
At the moment, as postage is capped at a maximum of $20, maximise the saving on postage and buy some of the related parts below, such as some hose and other carpet or upholstery cleaning accessory or a Nilfisk vacuum cleaner replacement filters and dustbags, or a new floor tool!