Nilfisk BR855D Disc Brush Magnagrit 56505781 – Genuine Scrubber Brush (Each, 2 Required)dryers. It provides aggressive scrubbing performance for heavy duty cleaning applications, effectively removing stubborn dirt, grease, and built up residue from hard floor surfaces. This listing is for a single brush, and two are required per machine for proper operation. Key Features Genuine Nilfisk disc brush Part number: 56505781 Magnagrit bristles for heavy duty scrubbing Effective on stubborn dirt, grease, and buildup Suitable for commercial and