AD 56505945 15" .022" Soft Poly Disc Rotary Scrub Brush for Nilfisk Advance Scrubbers. .022" soft to medium polypropylene scrub brush for light to general duty scrubbing on sensitive flooring such as painted or epoxy painted flooring, high polished urethane flooring or textrued concrete surfaces. The smaller diameter poly filament reaches grout lines on tile flooring and tough to reach spaces on raised/textrued flooring. Equivalent to ProLite. Commonly black, yellow or green in color. Replaces red floor pads. Filament is set in a 14" diameter solid heavy duty plastic molded block. Includes 3 drive lugs mounted around a 5.53" center hole. For a stiffer poly brush, search for 56505944, .028" Poly/Prolene. Fits Nilfisk Advance scrubbers and sweeper/scrubbers including Captor 4300, 4300-AXP, Nilfisk CR 1100, CR 1100B. 3 Required Per Unit. Priced Each. Replaces Nilfisk-Advance 56505945, 505945. Our Part Number AD 56505945