AD 56505941 15" (15" Scrub Path) .070"/46 Grit Super Abrasive Disc Rotary Scrub Brush for Nilfisk Advance Scrubbers. Our heaviest grit scrub brush for the most stubborn soils. Great for extra heavy duty scrubbing or stripping of unsealed concrete flooring or aging sealed flooring surfaces. .070" diameter Tynex-A or Hahls Nylon filament impregnated with 46 grit silicon carbide granules. Equivalent to Magna Grit, .065"/46 Heavy Grit Plus, and Mal-Grit Extra (Usually rust, orange, brown or purple in color). Filament is set in a 14" diameter solid heavy duty plastic molded block. Includes 3 drive lugs mounted around a 5.53" center hole. 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 56505941, 505941. Our Part Number AD 56505941