AD 33018889 10" 2 Single Row Poly/Wire Side Brush for Nilfisk Advance Sweepers and Sweeper/Scrubbers. An aggressive side sweeping brush. Black poly and flat wire filaments are secured in a 10" diameter poly block. Poly/Wire brushes can be used in industrial settings on unsealed concrete or on older sealed concrete flooring with heavy debris. These brushes can also be used outdoors on asphalt for general clean-up jobs. Wire brushes are not recommended on epoxy or newer painted flooring. Use Nylon (AD 33018890) or Poly (AD 33017255). Fits Nilfisk Advance sweepers and sweeper/scrubbers including Advance Proterra sweeper models (Will not fit CS7000, use AD56501707, poly). Two side brushes are required on most units. Priced Each. Replaces Nilfisk Advance 33018889. Our Part Number AD 33018889