AD 56507350 15" Poly Side Brush for Nilfisk-Advance Sweepers and Sweeper/Scrubbers. Durable, general duty polypropylene filament side sweeping brush. 15" block diameter. 24" sweeping path. Commonly listed as a 30 degree poly side broom. Includes mounting hardware. We also offer an extended reach (41 degree) poly side brush (use AD 56508498). Fits Nilfisk-Advance Exterra 6250, SR1900, SW8000 and other Models. Priced Each. Replaces Nilfisk-Advance 56507350, 507350. Our Part Number AD 56507350