AD 56410297 38" 16 Single Row .050"/80 Grit Abrasive Cylindrical Scrub Brush for Nilfisk Advance 38" Cylindrical Brush Series Scrubbers. Long lasting 80 grit impregnated Tynex-A or Hahls Nylon filament designed for medium to heavy duty scrubbing and stripping. Equivalent to Nylo-Grit, Dyna Grit, and Mal-Grit. Our second heaviest grit behind the .070"/46 Grit (56314783) brushes. Fits Nilfisk Advance Adgressor 3820C, 3820C-AXP, BR 850C-XL, BR 1050SC, BR 1050SC EDS, Hydro-Retriever 3200 (38" Cyl. Models), Hydro-Retriever 3800, and BR 1100C cylindrical brush scrubbers. For 38" machines only. Actual measurement 36.875". Some models (3820D / BR 1050S) require three 12" disc scrub brushes (search for 56505762) or two 19" disc scrub brushes (HR 3800, BR 1100 - Search for 56505792). Please check your model before ordering. Most models require two cylinder brushes. Priced Each. Replaces Nilfisk Advance 56410297, 410297. Our Part Number AD 56410297