AD 56116044 36" .035"/180 Mid Grit Cylinder Scrub Brush for Nilfisk Advance SC6000 36C Models. Durable and long lasting Tynex-A or Hahls Nylon is impregnated with 180 grit silicon carbide granules. The .035" mid grit brushes are perfect for medium to aggressive scrubbing of concrete, older sealed concrete, older epoxy painted flooring. For more aggressive scrubbing jobs, use our most aggressive brush in the series (AD 56116045). Fits Nilfisk Advance SC6000 36C cylinder brush models. Measures 36" x 7.1". Two brushes are required per unit. Priced Each. Replaces Nilfisk Advance 56116044. Our Part Number AD 56116044.