AD 56110012 48" 24 Single Row High Density .050"/80 Grit Main Scrub Brush for Nilfisk Advance Condor XL, Condor XL-AXP, Nilfisk ER1300, ER1600, and SC8000 Riding Scrubbers. Heavy grit cylindrical scrub brushes for aggressive scrubbing of sealed and unsealed concrete flooring. .050" Tynex-A or Hahls Nylon with silicon carbide granules embedded in the filament. 80 grit equivalent. Do not use on sensitive flooring such as epoxy or painted flooring. These are the most aggressive brushes in this series for the Condor XL/SC 8000 (for a .035" mid-grit, use our AD 56110013). Two cylinder scrub brushes required per machine. Priced each. Replaces Nilfisk Advance 56110012. Our Part Number AD 56110012