AD 56116043 36" Stiff Nylon Cylinder Scrub Brush for Nilfisk Advance SC6000 36C Models. Stiff Nylon brushes are perfect for light to medium cleaning of sealed concrete and older epoxy painted flooring. For more sensitive flooring, we also offer a soft nylon cylinder brush (use our AD 56116046). Fits Nilfisk Advance SC6000 36C cylinder brush models. Measures 36" x 7.1". Two brushes are required per unit. Priced Each. Replaces Nilfisk Advance 56116043. Our Part Number AD 56116043.