AD 56314778 35" 16 Single Row Soft Nylon Cylindrical Scrub Brush for Nilfisk Advance Adgressor 3520C, BR 950SC Series Scrubbers. Durable and long lasting .014" diameter Nylon filament is great for light duty scrubbing jobs on sealed and sensitive flooring . The softer Nylon bristle is great for scrubbing freshly epoxy painted concrete as well as tile, stone, and terrazzo flooring. Designed for softer finishes. Soft Nylon brushes will not scratch or mark the surface. Great for highly polished flooring. Equivalent to Nylon, Nylex. 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 56505755, Soft Poly). Please check your model before ordering. Replaces Nilfisk Advance 56314778, 314778. Our Part Number AD 56314778