- The bi-level design allows the brush to stay in contact with the work surface
![Weiler Perma-Sweep Floor Brush, 18 in Foam Block, 3 in Trim, Flagged GN Polystyrene, 1/EA, #42163 Weiler Perma-Sweep Floor Brush, 18 in Foam Block, 3 in Trim, Flagged GN Polystyrene, 1/EA, #42163](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/263281/368087/804-42163__75740.1595468800.jpg?c=2)
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