AD 56391250 Blade Kit for Nilfisk Advance. Priced Each. Includes three blades. Includes a rear, front, and backup rear squeegee. Fits Popular Nilfisk Advance machines such as: Convertamax 26, 285LX Convertamatic, 28LX Convertamatic, IMAX 28HD/C. Replaces Nilfisk Advance 56391250. Our Part Number AD 56391250