AD 56314780 35" 16 Single Row Poly Cylindrical Scrub Brush for Nilfisk Advance Adgressor 3520C, BR 950SC Series Scrubbers. Durable polypropylene filament for general duty scrubbing jobs on sealed, sensitive or unsealed flooring . .020" bristle diameter is great for general medium duty scrubbing of sealed/painted and unsealed concrete as well as tile, stone, and terrazzo flooring. Equivalent to Poly, Prolene, Polypro. 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 56505754). Please check your model before ordering. Replaces Nilfisk Advance 56314780, 314780. Our Part Number AD 56314780