AD 56413353 48" 18SR Stiff Nylon Cylindrical Scrub Brush for Nilfisk Advance Condor 4830C / BR1300SC / SC6500 48C Scrubbers. Durable and long lasting stiff .022" Nylon filament is great for medium duty scrubbing jobs on sealed, unsealed and harder sealed sensitive flooring . The stiffer Nylon bristle is great for scrubbing sealed and unsealed concrete as well as tile, stone, and terrazzo flooring. Designed for general duty scrubbing tasks where light to moderate debris is present. Nylon filaments outlast general duty polypropylene brushes. Equivalent to Nylon, Stiff Nylon. 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 56505784 .028" Poly). Please check your model before ordering. Priced each. Replaces Nilfisk Advance 56413353, 413353