AD 56314783 35" 16 Single Row .070"/46 Grit Super Abrasive Cylindrical Scrub Brush for Nilfisk Advance Adgressor 3520C, BR 950SC Series Scrubbers. Our heaviest grit filament designed for extra heavy duty scrubbing and stripping. Long lasting Tynex-A or Hahls Nylon impregnated with 46 grit silicon carbide granules. Equivalent to .065"/46 Heavy Grit Plus, Magna Grit, and Mal-Grit Extra. Fits Nilfisk Advance Adgressor 3520C, 3520C-AXP, BR 950SC, and BR 950SC EDS cylindrical brush scrubbers. For 35" machines only. Actual measurement 33.875". Two required per machine. Priced each. Some models (3520D / BR 950S) require three 11" disc scrub brushes (search for 56505751). Please check your model before ordering. Replaces Nilfisk Advance 56314783, 314783. Our Part Number AD 56314783