AD 33015430 Poly/Wire Side Brooms for Nilfisk Advance Sweepers. A mix of flat wire and stiff polypropylene. Durable solid plastic broom block, 720mm diameter brush. We also offer an all poly side brush (use AD 33015494). Fits Nilfisk Advance RS 501 outdoor sweeper. Two brushes required for most models. Priced Each. Replaces Nilfisk Advance 33015430. Our Part Number AD 33015430