Nilfisk SC550 305mm Mid Grit 240 Disc Brush L08603873 – Replacement Scrubber Brush (Each, 2 Required)This high quality mid grit 240 disc brush is designed for Nilfisk SC550 mid sized walk behind scrubber dryers. With a 305mm (12") diameter, it delivers effective and consistent scrubbing performance for medium duty cleaning applications. The grit 240 bristles provide a more aggressive clean than soft brushes, making it suitable for removing dirt, grime, and light buildup from a variety of hard floor surfaces. This listing is for a single brush, and