AD 56413352 48" 18SR Soft Nylon Cylindrical Scrub Brush for Nilfisk Advance Condor 4830C / BR1300SC / SC6500 48C 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 Advance Condor 4830C (Cylindrical), SC6500 48C, and Nilfisk BR1300SC (Cylindrical) Series Scrubbers with the 48" scrub deck. The Condor 4830 / BR 1300 scrubbers require two main cylindrical scrub brushes. Some models require three 16" disc scrub brushes (search for 56505785 .022" Soft Poly). Please check your model before ordering. Priced each. Replaces Nilfisk Advance 56413352, 413352