AD 56510707 10" 2 Single Row Poly Side Brush for Nilfisk Advance Sweepers and Sweeper/Scrubbers. General duty polypropylene filament is secured in a 10" diameter poly block. Fits Nilfisk Advance sweepers and sweeper/scrubbers including Advance CS7000, CS7010 sweeper/scrubber models. These will not fit the Proterra sweepers, use AD 33017255. Two side brushes are required on most units. Priced Each. Replaces Nilfisk Advance 56510707. Our Part Number AD 56510707