Nilfisk SC351 walk behind battery operated floor scrubber 35cm Prolene scrubbing brush.

This is the default brush supplied with the usually it has blue bristles, however, the earlier ones might have had white or black bristles.

Prolene (Polypropylene material) is for medium-duty scrubbing on concrete, terrazzo and vinyl floor tile. Recommended for use in place of green or blue pads

The photo is not the actual brush, just a similar brush, until I have one to photograph. Andy 05/12/2020

At the moment, standard postage is capped at a maximum of $25 within Australia, so maximise the savings on postage and buy some of the related floor scrubber parts below!