Nilfisk SC400 Battery and Electric Floor Scrubber Squeegee Vacuum Pick-Up Hose
It fits into the recovery tank with an internal tapered cuff.
Formerly SKU 9100000646 and before that SKU 909-6060-000 and before that SKU 909-5578-000
Possibly even use SKU 9100000650
At the moment standard postage within Australia, is capped at a maximum of $25, so maximise the saving on postage and buy something in related items below!