This is the product pictured at the back of the picture. It has short green bristles on it, but it's not a brush, it's for holding polishing and scrubbing abrasive pads ie, the red, white, green, black one most cleaners are familiar with. Especially the Polivac PV25
At the moment, standard postage within Australia is capped at a maximum of $20! Maximise the saving on postage and buy several Puregiene toilet rolls a box of Tissues and some soap or maybe some packets of dustbags, or a hose or a new floor tool, or some other accessories!