AD 56505835 15" .022" Soft Polypropylene Disc Rotary Scrub Brush for Nilfisk Advance Scrubbers. Economical, general duty polypropylene is great for scrubbing light to moderate soils. Poly brushes can be used on almost all surfaces. A cheaper alternative to longer lasting Nylon scrub brushes. Equivalent to ProLite, Poly, Polypro (Usually bright yellow or black in color). Filament is set in a 15" diameter solid heavy duty plastic molded block. Includes 3 mounting drive lugs. Fits Nilfisk Advance scrubbers including Condor 4530D (with 45" scrub deck option), Warrior 32D, Warrior AXP, Warrior ST (32" Disc Models), BA 855, Convertamatic 32D, Advenger 3210D, Advenger 3210D-AXP, BR 800S, BR 800S EDS, Adgressor 3220D, Adgressor 3220D-AXP, BR 850S, BR 850S EDS, Mobilmatic 64, Mobilmatic 6400, Condor XL / CS8000 Series (Side Scrub Brush). These brushes have a 5-1/2" center hole. Many machines require two, or in some cases, 3 or 4 brushes. Please check your machine before ordering. Often listed as 16". Replaces Nilfisk-Advance 56505835, 505835. Our Part Number AD 56505835