Nilfisk SC500 530mm Magna Grit 46 Brush Disc L08837065 – Heavy Duty Scrubber Brush 21"This heavy duty Magna Grit 46 brush disc is designed for the Nilfisk SC500 mid sized walk behind scrubber dryer, delivering aggressive and effective cleaning for tough environments. With a 530mm (21") diameter, this brush provides strong floor coverage and is ideal for removing stubborn dirt, grease, and buildup from hard surfaces. The Grit 46 bristles are designed for more intensive scrubbing, making it suitable for industrial and heavily soiled